Home / 66,424,007.90-99,636,011.85-39,550,151.90

Finding the Fourth Proportional to 66,424,007.90, 99,636,011.85 and 39,550,151.90

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Solution

The fourth proportional to 66,424,007.90, 99,636,011.85 and 39,550,151.90 is: 59,325,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424,007.90 : 99,636,011.85 = 39,550,151.90 : x
  2. Step 2: Convert to fraction form
    66,424,007.90/99,636,011.85 = 39,550,151.90/x
  3. Step 3: Cross multiply
    66,424,007.90x = 99,636,011.85 × 39,550,151.90
  4. Step 4: Simplify right side
    66,424,007.90x = 3,940,619,403,377,699.50
  5. Step 5: Solve for x
    x = 3,940,619,403,377,699.50/66,424,007.90
  6. Step 6: Final answer
    x = 59,325,227.85

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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.