Home / 112,344,138.20-168,516,207.30-51,877,962.20

Finding the Fourth Proportional to 112,344,138.20, 168,516,207.30 and 51,877,962.20

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Solution

The fourth proportional to 112,344,138.20, 168,516,207.30 and 51,877,962.20 is: 77,816,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344,138.20 : 168,516,207.30 = 51,877,962.20 : x
  2. Step 2: Convert to fraction form
    112,344,138.20/168,516,207.30 = 51,877,962.20/x
  3. Step 3: Cross multiply
    112,344,138.20x = 168,516,207.30 × 51,877,962.20
  4. Step 4: Simplify right side
    112,344,138.20x = 8,742,277,432,396,765
  5. Step 5: Solve for x
    x = 8,742,277,432,396,765/112,344,138.20
  6. Step 6: Final answer
    x = 77,816,943.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.