Home / 99,861,037.80-149,807,951.10-30,773,853.06

Finding the Fourth Proportional to 99,861,037.80, 149,807,951.10 and 30,773,853.06

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Solution

The fourth proportional to 99,861,037.80, 149,807,951.10 and 30,773,853.06 is: 46,165,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,861,037.80 : 149,807,951.10 = 30,773,853.06 : x
  2. Step 2: Convert to fraction form
    99,861,037.80/149,807,951.10 = 30,773,853.06/x
  3. Step 3: Cross multiply
    99,861,037.80x = 149,807,951.10 × 30,773,853.06
  4. Step 4: Simplify right side
    99,861,037.80x = 4,610,167,874,371,065
  5. Step 5: Solve for x
    x = 4,610,167,874,371,065/99,861,037.80
  6. Step 6: Final answer
    x = 46,165,831.80

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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.