Home / 118,305,732.80-177,160,000.80-77,696,350.40

Finding the Fourth Proportional to 118,305,732.80, 177,160,000.80 and 77,696,350.40

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Solution

The fourth proportional to 118,305,732.80, 177,160,000.80 and 77,696,350.40 is: 116,348,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,305,732.80 : 177,160,000.80 = 77,696,350.40 : x
  2. Step 2: Convert to fraction form
    118,305,732.80/177,160,000.80 = 77,696,350.40/x
  3. Step 3: Cross multiply
    118,305,732.80x = 177,160,000.80 × 77,696,350.40
  4. Step 4: Simplify right side
    118,305,732.80x = 13,764,685,499,021,082
  5. Step 5: Solve for x
    x = 13,764,685,499,021,082/118,305,732.80
  6. Step 6: Final answer
    x = 116,348,423.47

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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.