Home / 124,180,864.71-171,361,871.83-68,423,164.86

Finding the Fourth Proportional to 124,180,864.71, 171,361,871.83 and 68,423,164.86

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Solution

The fourth proportional to 124,180,864.71, 171,361,871.83 and 68,423,164.86 is: 94,419,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,180,864.71 : 171,361,871.83 = 68,423,164.86 : x
  2. Step 2: Convert to fraction form
    124,180,864.71/171,361,871.83 = 68,423,164.86/x
  3. Step 3: Cross multiply
    124,180,864.71x = 171,361,871.83 × 68,423,164.86
  4. Step 4: Simplify right side
    124,180,864.71x = 11,725,121,607,541,742
  5. Step 5: Solve for x
    x = 11,725,121,607,541,742/124,180,864.71
  6. Step 6: Final answer
    x = 94,419,713.01

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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.