Home / 129,523,929.46-194,230,591.13-74,974,168.01

Finding the Fourth Proportional to 129,523,929.46, 194,230,591.13 and 74,974,168.01

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Solution

The fourth proportional to 129,523,929.46, 194,230,591.13 and 74,974,168.01 is: 112,429,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,523,929.46 : 194,230,591.13 = 74,974,168.01 : x
  2. Step 2: Convert to fraction form
    129,523,929.46/194,230,591.13 = 74,974,168.01/x
  3. Step 3: Cross multiply
    129,523,929.46x = 194,230,591.13 × 74,974,168.01
  4. Step 4: Simplify right side
    129,523,929.46x = 14,562,276,972,735,248
  5. Step 5: Solve for x
    x = 14,562,276,972,735,248/129,523,929.46
  6. Step 6: Final answer
    x = 112,429,240.17

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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.