Home / 52,306,167.36-72,180,693.76-28,782,503.68

Finding the Fourth Proportional to 52,306,167.36, 72,180,693.76 and 28,782,503.68

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Solution

The fourth proportional to 52,306,167.36, 72,180,693.76 and 28,782,503.68 is: 39,718,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,306,167.36 : 72,180,693.76 = 28,782,503.68 : x
  2. Step 2: Convert to fraction form
    52,306,167.36/72,180,693.76 = 28,782,503.68/x
  3. Step 3: Cross multiply
    52,306,167.36x = 72,180,693.76 × 28,782,503.68
  4. Step 4: Simplify right side
    52,306,167.36x = 2,077,541,083,772,153.25
  5. Step 5: Solve for x
    x = 2,077,541,083,772,153.25/52,306,167.36
  6. Step 6: Final answer
    x = 39,718,855.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.