Home / 71,015,472.48-106,429,037.86-36,470,478.88

Finding the Fourth Proportional to 71,015,472.48, 106,429,037.86 and 36,470,478.88

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Solution

The fourth proportional to 71,015,472.48, 106,429,037.86 and 36,470,478.88 is: 54,657,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,015,472.48 : 106,429,037.86 = 36,470,478.88 : x
  2. Step 2: Convert to fraction form
    71,015,472.48/106,429,037.86 = 36,470,478.88/x
  3. Step 3: Cross multiply
    71,015,472.48x = 106,429,037.86 × 36,470,478.88
  4. Step 4: Simplify right side
    71,015,472.48x = 3,881,517,977,491,850.50
  5. Step 5: Solve for x
    x = 3,881,517,977,491,850.50/71,015,472.48
  6. Step 6: Final answer
    x = 54,657,356.23

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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.