Home / 103,383,834.98-142,669,695.20-56,974,088.90

Finding the Fourth Proportional to 103,383,834.98, 142,669,695.20 and 56,974,088.90

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Solution

The fourth proportional to 103,383,834.98, 142,669,695.20 and 56,974,088.90 is: 78,624,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,383,834.98 : 142,669,695.20 = 56,974,088.90 : x
  2. Step 2: Convert to fraction form
    103,383,834.98/142,669,695.20 = 56,974,088.90/x
  3. Step 3: Cross multiply
    103,383,834.98x = 142,669,695.20 × 56,974,088.90
  4. Step 4: Simplify right side
    103,383,834.98x = 8,128,475,897,732,507
  5. Step 5: Solve for x
    x = 8,128,475,897,732,507/103,383,834.98
  6. Step 6: Final answer
    x = 78,624,244.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.