Home / 163,772,927,998.80-245,659,391,998.20-75,613,243,390.80

Finding the Fourth Proportional to 163,772,927,998.80, 245,659,391,998.20 and 75,613,243,390.80

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Solution

The fourth proportional to 163,772,927,998.80, 245,659,391,998.20 and 75,613,243,390.80 is: 113,419,865,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,772,927,998.80 : 245,659,391,998.20 = 75,613,243,390.80 : x
  2. Step 2: Convert to fraction form
    163,772,927,998.80/245,659,391,998.20 = 75,613,243,390.80/x
  3. Step 3: Cross multiply
    163,772,927,998.80x = 245,659,391,998.20 × 75,613,243,390.80
  4. Step 4: Simplify right side
    163,772,927,998.80x = 18,575,103,398,395,844,231,168
  5. Step 5: Solve for x
    x = 18,575,103,398,395,844,231,168/163,772,927,998.80
  6. Step 6: Final answer
    x = 113,419,865,086.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.