Home / 71,752,214.60-107,596,829.10-28,607,078.60

Finding the Fourth Proportional to 71,752,214.60, 107,596,829.10 and 28,607,078.60

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Solution

The fourth proportional to 71,752,214.60, 107,596,829.10 and 28,607,078.60 is: 42,898,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,752,214.60 : 107,596,829.10 = 28,607,078.60 : x
  2. Step 2: Convert to fraction form
    71,752,214.60/107,596,829.10 = 28,607,078.60/x
  3. Step 3: Cross multiply
    71,752,214.60x = 107,596,829.10 × 28,607,078.60
  4. Step 4: Simplify right side
    71,752,214.60x = 3,078,030,947,174,467
  5. Step 5: Solve for x
    x = 3,078,030,947,174,467/71,752,214.60
  6. Step 6: Final answer
    x = 42,898,061.95

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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.