Home / 35,345,101.20-53,017,651.80-18,338,989.20

Finding the Fourth Proportional to 35,345,101.20, 53,017,651.80 and 18,338,989.20

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Solution

The fourth proportional to 35,345,101.20, 53,017,651.80 and 18,338,989.20 is: 27,508,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345,101.20 : 53,017,651.80 = 18,338,989.20 : x
  2. Step 2: Convert to fraction form
    35,345,101.20/53,017,651.80 = 18,338,989.20/x
  3. Step 3: Cross multiply
    35,345,101.20x = 53,017,651.80 × 18,338,989.20
  4. Step 4: Simplify right side
    35,345,101.20x = 972,290,143,769,560.50
  5. Step 5: Solve for x
    x = 972,290,143,769,560.50/35,345,101.20
  6. Step 6: Final answer
    x = 27,508,483.80

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Similar ratio
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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.