Home / 102,165,144.58-140,985,932.14-55,755,730.64

Finding the Fourth Proportional to 102,165,144.58, 140,985,932.14 and 55,755,730.64

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Solution

The fourth proportional to 102,165,144.58, 140,985,932.14 and 55,755,730.64 is: 76,941,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,165,144.58 : 140,985,932.14 = 55,755,730.64 : x
  2. Step 2: Convert to fraction form
    102,165,144.58/140,985,932.14 = 55,755,730.64/x
  3. Step 3: Cross multiply
    102,165,144.58x = 140,985,932.14 × 55,755,730.64
  4. Step 4: Simplify right side
    102,165,144.58x = 7,860,773,656,427,158
  5. Step 5: Solve for x
    x = 7,860,773,656,427,158/102,165,144.58
  6. Step 6: Final answer
    x = 76,941,834.60

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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.