Home / 124,180,864.53-171,361,871.57-68,423,164.67

Finding the Fourth Proportional to 124,180,864.53, 171,361,871.57 and 68,423,164.67

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Solution

The fourth proportional to 124,180,864.53, 171,361,871.57 and 68,423,164.67 is: 94,419,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,180,864.53 : 171,361,871.57 = 68,423,164.67 : x
  2. Step 2: Convert to fraction form
    124,180,864.53/171,361,871.57 = 68,423,164.67/x
  3. Step 3: Cross multiply
    124,180,864.53x = 171,361,871.57 × 68,423,164.67
  4. Step 4: Simplify right side
    124,180,864.53x = 11,725,121,557,557,374
  5. Step 5: Solve for x
    x = 11,725,121,557,557,374/124,180,864.53
  6. Step 6: Final answer
    x = 94,419,712.75

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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.