Home / 83,156,031.30-124,545,090.15-52,545,029.70

Finding the Fourth Proportional to 83,156,031.30, 124,545,090.15 and 52,545,029.70

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Solution

The fourth proportional to 83,156,031.30, 124,545,090.15 and 52,545,029.70 is: 78,698,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,156,031.30 : 124,545,090.15 = 52,545,029.70 : x
  2. Step 2: Convert to fraction form
    83,156,031.30/124,545,090.15 = 52,545,029.70/x
  3. Step 3: Cross multiply
    83,156,031.30x = 124,545,090.15 × 52,545,029.70
  4. Step 4: Simplify right side
    83,156,031.30x = 6,544,225,460,920,928
  5. Step 5: Solve for x
    x = 6,544,225,460,920,928/83,156,031.30
  6. Step 6: Final answer
    x = 78,698,145.63

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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.