Home / 157,815,581.30-217,776,104.85-87,246,963.39

Finding the Fourth Proportional to 157,815,581.30, 217,776,104.85 and 87,246,963.39

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Solution

The fourth proportional to 157,815,581.30, 217,776,104.85 and 87,246,963.39 is: 120,395,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,815,581.30 : 217,776,104.85 = 87,246,963.39 : x
  2. Step 2: Convert to fraction form
    157,815,581.30/217,776,104.85 = 87,246,963.39/x
  3. Step 3: Cross multiply
    157,815,581.30x = 217,776,104.85 × 87,246,963.39
  4. Step 4: Simplify right side
    157,815,581.30x = 19,000,303,847,064,752
  5. Step 5: Solve for x
    x = 19,000,303,847,064,752/157,815,581.30
  6. Step 6: Final answer
    x = 120,395,614.24

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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.