Home / 139,062,113.20-208,593,169.80-62,387,642.80

Finding the Fourth Proportional to 139,062,113.20, 208,593,169.80 and 62,387,642.80

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Solution

The fourth proportional to 139,062,113.20, 208,593,169.80 and 62,387,642.80 is: 93,581,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,062,113.20 : 208,593,169.80 = 62,387,642.80 : x
  2. Step 2: Convert to fraction form
    139,062,113.20/208,593,169.80 = 62,387,642.80/x
  3. Step 3: Cross multiply
    139,062,113.20x = 208,593,169.80 × 62,387,642.80
  4. Step 4: Simplify right side
    139,062,113.20x = 13,013,636,168,002,148
  5. Step 5: Solve for x
    x = 13,013,636,168,002,148/139,062,113.20
  6. Step 6: Final answer
    x = 93,581,464.20

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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.