Home / 52,618,078.12-72,613,417.64-29,098,206.35

Finding the Fourth Proportional to 52,618,078.12, 72,613,417.64 and 29,098,206.35

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Solution

The fourth proportional to 52,618,078.12, 72,613,417.64 and 29,098,206.35 is: 40,155,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,618,078.12 : 72,613,417.64 = 29,098,206.35 : x
  2. Step 2: Convert to fraction form
    52,618,078.12/72,613,417.64 = 29,098,206.35/x
  3. Step 3: Cross multiply
    52,618,078.12x = 72,613,417.64 × 29,098,206.35
  4. Step 4: Simplify right side
    52,618,078.12x = 2,112,920,209,904,382.75
  5. Step 5: Solve for x
    x = 2,112,920,209,904,382.75/52,618,078.12
  6. Step 6: Final answer
    x = 40,155,784.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.