Home / 113,942,915.12-157,241,010.12-61,733,248.40

Finding the Fourth Proportional to 113,942,915.12, 157,241,010.12 and 61,733,248.40

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Solution

The fourth proportional to 113,942,915.12, 157,241,010.12 and 61,733,248.40 is: 85,191,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942,915.12 : 157,241,010.12 = 61,733,248.40 : x
  2. Step 2: Convert to fraction form
    113,942,915.12/157,241,010.12 = 61,733,248.40/x
  3. Step 3: Cross multiply
    113,942,915.12x = 157,241,010.12 × 61,733,248.40
  4. Step 4: Simplify right side
    113,942,915.12x = 9,706,998,336,404,874
  5. Step 5: Solve for x
    x = 9,706,998,336,404,874/113,942,915.12
  6. Step 6: Final answer
    x = 85,191,767.53

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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.