Home / 260,897,810.28-391,336,501.44-88,374,623.55

Finding the Fourth Proportional to 260,897,810.28, 391,336,501.44 and 88,374,623.55

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Solution

The fourth proportional to 260,897,810.28, 391,336,501.44 and 88,374,623.55 is: 132,558,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,897,810.28 : 391,336,501.44 = 88,374,623.55 : x
  2. Step 2: Convert to fraction form
    260,897,810.28/391,336,501.44 = 88,374,623.55/x
  3. Step 3: Cross multiply
    260,897,810.28x = 391,336,501.44 × 88,374,623.55
  4. Step 4: Simplify right side
    260,897,810.28x = 34,584,215,996,134,032
  5. Step 5: Solve for x
    x = 34,584,215,996,134,032/260,897,810.28
  6. Step 6: Final answer
    x = 132,558,475.52

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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.