Home / 88,862,291.95-122,640,321.05-51,694,138.78

Finding the Fourth Proportional to 88,862,291.95, 122,640,321.05 and 51,694,138.78

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Solution

The fourth proportional to 88,862,291.95, 122,640,321.05 and 51,694,138.78 is: 71,343,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,862,291.95 : 122,640,321.05 = 51,694,138.78 : x
  2. Step 2: Convert to fraction form
    88,862,291.95/122,640,321.05 = 51,694,138.78/x
  3. Step 3: Cross multiply
    88,862,291.95x = 122,640,321.05 × 51,694,138.78
  4. Step 4: Simplify right side
    88,862,291.95x = 6,339,785,776,601,423
  5. Step 5: Solve for x
    x = 6,339,785,776,601,423/88,862,291.95
  6. Step 6: Final answer
    x = 71,343,937.21

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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.