Home / 54,838,165.92-81,766,981.57-53,331,530.70

Finding the Fourth Proportional to 54,838,165.92, 81,766,981.57 and 53,331,530.70

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Solution

The fourth proportional to 54,838,165.92, 81,766,981.57 and 53,331,530.70 is: 79,520,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838,165.92 : 81,766,981.57 = 53,331,530.70 : x
  2. Step 2: Convert to fraction form
    54,838,165.92/81,766,981.57 = 53,331,530.70/x
  3. Step 3: Cross multiply
    54,838,165.92x = 81,766,981.57 × 53,331,530.70
  4. Step 4: Simplify right side
    54,838,165.92x = 4,360,758,287,580,131.50
  5. Step 5: Solve for x
    x = 4,360,758,287,580,131.50/54,838,165.92
  6. Step 6: Final answer
    x = 79,520,498.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.