Home / 93,948,979.20-140,923,468.80-53,638,195.20

Finding the Fourth Proportional to 93,948,979.20, 140,923,468.80 and 53,638,195.20

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Solution

The fourth proportional to 93,948,979.20, 140,923,468.80 and 53,638,195.20 is: 80,457,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,948,979.20 : 140,923,468.80 = 53,638,195.20 : x
  2. Step 2: Convert to fraction form
    93,948,979.20/140,923,468.80 = 53,638,195.20/x
  3. Step 3: Cross multiply
    93,948,979.20x = 140,923,468.80 × 53,638,195.20
  4. Step 4: Simplify right side
    93,948,979.20x = 7,558,880,527,755,511
  5. Step 5: Solve for x
    x = 7,558,880,527,755,511/93,948,979.20
  6. Step 6: Final answer
    x = 80,457,292.80

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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.