Home / 103,517,542.70-155,144,437.95-55,018,630.70

Finding the Fourth Proportional to 103,517,542.70, 155,144,437.95 and 55,018,630.70

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Solution

The fourth proportional to 103,517,542.70, 155,144,437.95 and 55,018,630.70 is: 82,457,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,542.70 : 155,144,437.95 = 55,018,630.70 : x
  2. Step 2: Convert to fraction form
    103,517,542.70/155,144,437.95 = 55,018,630.70/x
  3. Step 3: Cross multiply
    103,517,542.70x = 155,144,437.95 × 55,018,630.70
  4. Step 4: Simplify right side
    103,517,542.70x = 8,535,834,536,730,115
  5. Step 5: Solve for x
    x = 8,535,834,536,730,115/103,517,542.70
  6. Step 6: Final answer
    x = 82,457,855.10

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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.