Home / 151,215,427.20-226,673,841.60-74,475,638.40

Finding the Fourth Proportional to 151,215,427.20, 226,673,841.60 and 74,475,638.40

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Solution

The fourth proportional to 151,215,427.20, 226,673,841.60 and 74,475,638.40 is: 111,639,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,215,427.20 : 226,673,841.60 = 74,475,638.40 : x
  2. Step 2: Convert to fraction form
    151,215,427.20/226,673,841.60 = 74,475,638.40/x
  3. Step 3: Cross multiply
    151,215,427.20x = 226,673,841.60 × 74,475,638.40
  4. Step 4: Simplify right side
    151,215,427.20x = 16,881,679,061,740,478
  5. Step 5: Solve for x
    x = 16,881,679,061,740,478/151,215,427.20
  6. Step 6: Final answer
    x = 111,639,925.73

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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.