Home / 84,119,915.40-125,899,937.10-61,025,195.40

Finding the Fourth Proportional to 84,119,915.40, 125,899,937.10 and 61,025,195.40

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Solution

The fourth proportional to 84,119,915.40, 125,899,937.10 and 61,025,195.40 is: 91,334,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,119,915.40 : 125,899,937.10 = 61,025,195.40 : x
  2. Step 2: Convert to fraction form
    84,119,915.40/125,899,937.10 = 61,025,195.40/x
  3. Step 3: Cross multiply
    84,119,915.40x = 125,899,937.10 × 61,025,195.40
  4. Step 4: Simplify right side
    84,119,915.40x = 7,683,068,262,375,209
  5. Step 5: Solve for x
    x = 7,683,068,262,375,209/84,119,915.40
  6. Step 6: Final answer
    x = 91,334,712.19

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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.