Home / 410,371,517.48-615,558,500.92-99,477,900.68

Finding the Fourth Proportional to 410,371,517.48, 615,558,500.92 and 99,477,900.68

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Solution

The fourth proportional to 410,371,517.48, 615,558,500.92 and 99,477,900.68 is: 149,217,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,371,517.48 : 615,558,500.92 = 99,477,900.68 : x
  2. Step 2: Convert to fraction form
    410,371,517.48/615,558,500.92 = 99,477,900.68/x
  3. Step 3: Cross multiply
    410,371,517.48x = 615,558,500.92 × 99,477,900.68
  4. Step 4: Simplify right side
    410,371,517.48x = 61,234,467,417,249,448
  5. Step 5: Solve for x
    x = 61,234,467,417,249,448/410,371,517.48
  6. Step 6: Final answer
    x = 149,217,147.90

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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.