Home / 78,853,772.24-118,280,592.12-29,678,814.80

Finding the Fourth Proportional to 78,853,772.24, 118,280,592.12 and 29,678,814.80

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Solution

The fourth proportional to 78,853,772.24, 118,280,592.12 and 29,678,814.80 is: 44,518,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,853,772.24 : 118,280,592.12 = 29,678,814.80 : x
  2. Step 2: Convert to fraction form
    78,853,772.24/118,280,592.12 = 29,678,814.80/x
  3. Step 3: Cross multiply
    78,853,772.24x = 118,280,592.12 × 29,678,814.80
  4. Step 4: Simplify right side
    78,853,772.24x = 3,510,427,787,963,819.50
  5. Step 5: Solve for x
    x = 3,510,427,787,963,819.50/78,853,772.24
  6. Step 6: Final answer
    x = 44,518,197.27

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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.