Home / 103,678,828.95-155,517,178.89-59,931,751.42

Finding the Fourth Proportional to 103,678,828.95, 155,517,178.89 and 59,931,751.42

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Solution

The fourth proportional to 103,678,828.95, 155,517,178.89 and 59,931,751.42 is: 89,897,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678,828.95 : 155,517,178.89 = 59,931,751.42 : x
  2. Step 2: Convert to fraction form
    103,678,828.95/155,517,178.89 = 59,931,751.42/x
  3. Step 3: Cross multiply
    103,678,828.95x = 155,517,178.89 × 59,931,751.42
  4. Step 4: Simplify right side
    103,678,828.95x = 9,320,416,906,775,150
  5. Step 5: Solve for x
    x = 9,320,416,906,775,150/103,678,828.95
  6. Step 6: Final answer
    x = 89,897,011.77

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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.