Home / 293,452,456.60-440,164,688.10-99,344,834.20

Finding the Fourth Proportional to 293,452,456.60, 440,164,688.10 and 99,344,834.20

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Solution

The fourth proportional to 293,452,456.60, 440,164,688.10 and 99,344,834.20 is: 149,012,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,452,456.60 : 440,164,688.10 = 99,344,834.20 : x
  2. Step 2: Convert to fraction form
    293,452,456.60/440,164,688.10 = 99,344,834.20/x
  3. Step 3: Cross multiply
    293,452,456.60x = 440,164,688.10 × 99,344,834.20
  4. Step 4: Simplify right side
    293,452,456.60x = 43,728,087,959,989,216
  5. Step 5: Solve for x
    x = 43,728,087,959,989,216/293,452,456.60
  6. Step 6: Final answer
    x = 149,012,512.85

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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.