Home / 79,411,563.18-119,090,565.15-30,215,737.68

Finding the Fourth Proportional to 79,411,563.18, 119,090,565.15 and 30,215,737.68

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Solution

The fourth proportional to 79,411,563.18, 119,090,565.15 and 30,215,737.68 is: 45,313,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,411,563.18 : 119,090,565.15 = 30,215,737.68 : x
  2. Step 2: Convert to fraction form
    79,411,563.18/119,090,565.15 = 30,215,737.68/x
  3. Step 3: Cross multiply
    79,411,563.18x = 119,090,565.15 × 30,215,737.68
  4. Step 4: Simplify right side
    79,411,563.18x = 3,598,409,276,735,350
  5. Step 5: Solve for x
    x = 3,598,409,276,735,350/79,411,563.18
  6. Step 6: Final answer
    x = 45,313,417.00

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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.