Home / 102,648,819.33-141,655,367.57-56,240,830.53

Finding the Fourth Proportional to 102,648,819.33, 141,655,367.57 and 56,240,830.53

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Solution

The fourth proportional to 102,648,819.33, 141,655,367.57 and 56,240,830.53 is: 77,612,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,648,819.33 : 141,655,367.57 = 56,240,830.53 : x
  2. Step 2: Convert to fraction form
    102,648,819.33/141,655,367.57 = 56,240,830.53/x
  3. Step 3: Cross multiply
    102,648,819.33x = 141,655,367.57 × 56,240,830.53
  4. Step 4: Simplify right side
    102,648,819.33x = 7,966,815,520,888,024
  5. Step 5: Solve for x
    x = 7,966,815,520,888,024/102,648,819.33
  6. Step 6: Final answer
    x = 77,612,344.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.