Home / 124,180,865.17-171,361,872.47-68,423,165.32

Finding the Fourth Proportional to 124,180,865.17, 171,361,872.47 and 68,423,165.32

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Solution

The fourth proportional to 124,180,865.17, 171,361,872.47 and 68,423,165.32 is: 94,419,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,180,865.17 : 171,361,872.47 = 68,423,165.32 : x
  2. Step 2: Convert to fraction form
    124,180,865.17/171,361,872.47 = 68,423,165.32/x
  3. Step 3: Cross multiply
    124,180,865.17x = 171,361,872.47 × 68,423,165.32
  4. Step 4: Simplify right side
    124,180,865.17x = 11,725,121,729,559,566
  5. Step 5: Solve for x
    x = 11,725,121,729,559,566/124,180,865.17
  6. Step 6: Final answer
    x = 94,419,713.65

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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.