Home / 125,751,354.10-188,249,117.55-74,607,046.90

Finding the Fourth Proportional to 125,751,354.10, 188,249,117.55 and 74,607,046.90

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Solution

The fourth proportional to 125,751,354.10, 188,249,117.55 and 74,607,046.90 is: 111,686,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,751,354.10 : 188,249,117.55 = 74,607,046.90 : x
  2. Step 2: Convert to fraction form
    125,751,354.10/188,249,117.55 = 74,607,046.90/x
  3. Step 3: Cross multiply
    125,751,354.10x = 188,249,117.55 × 74,607,046.90
  4. Step 4: Simplify right side
    125,751,354.10x = 14,044,710,741,936,466
  5. Step 5: Solve for x
    x = 14,044,710,741,936,466/125,751,354.10
  6. Step 6: Final answer
    x = 111,686,357.91

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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.