Home / 314,814,010.80-472,221,016.20-161,759,002.80

Finding the Fourth Proportional to 314,814,010.80, 472,221,016.20 and 161,759,002.80

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Solution

The fourth proportional to 314,814,010.80, 472,221,016.20 and 161,759,002.80 is: 242,638,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,814,010.80 : 472,221,016.20 = 161,759,002.80 : x
  2. Step 2: Convert to fraction form
    314,814,010.80/472,221,016.20 = 161,759,002.80/x
  3. Step 3: Cross multiply
    314,814,010.80x = 472,221,016.20 × 161,759,002.80
  4. Step 4: Simplify right side
    314,814,010.80x = 76,386,000,681,714,656
  5. Step 5: Solve for x
    x = 76,386,000,681,714,656/314,814,010.80
  6. Step 6: Final answer
    x = 242,638,504.20

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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.