Home / 108,244,721.92-162,390,968.16-31,573,750.72

Finding the Fourth Proportional to 108,244,721.92, 162,390,968.16 and 31,573,750.72

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Solution

The fourth proportional to 108,244,721.92, 162,390,968.16 and 31,573,750.72 is: 47,367,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,244,721.92 : 162,390,968.16 = 31,573,750.72 : x
  2. Step 2: Convert to fraction form
    108,244,721.92/162,390,968.16 = 31,573,750.72/x
  3. Step 3: Cross multiply
    108,244,721.92x = 162,390,968.16 × 31,573,750.72
  4. Step 4: Simplify right side
    108,244,721.92x = 5,127,291,947,863,297
  5. Step 5: Solve for x
    x = 5,127,291,947,863,297/108,244,721.92
  6. Step 6: Final answer
    x = 47,367,593.14

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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.