Home / 129,402,423.30-194,103,634.95-61,377,975.30

Finding the Fourth Proportional to 129,402,423.30, 194,103,634.95 and 61,377,975.30

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Solution

The fourth proportional to 129,402,423.30, 194,103,634.95 and 61,377,975.30 is: 92,066,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,402,423.30 : 194,103,634.95 = 61,377,975.30 : x
  2. Step 2: Convert to fraction form
    129,402,423.30/194,103,634.95 = 61,377,975.30/x
  3. Step 3: Cross multiply
    129,402,423.30x = 194,103,634.95 × 61,377,975.30
  4. Step 4: Simplify right side
    129,402,423.30x = 11,913,688,111,601,316
  5. Step 5: Solve for x
    x = 11,913,688,111,601,316/129,402,423.30
  6. Step 6: Final answer
    x = 92,066,962.95

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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.