Home / 108,243,988.92-162,389,865.42-31,573,017.72

Finding the Fourth Proportional to 108,243,988.92, 162,389,865.42 and 31,573,017.72

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Solution

The fourth proportional to 108,243,988.92, 162,389,865.42 and 31,573,017.72 is: 47,366,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,243,988.92 : 162,389,865.42 = 31,573,017.72 : x
  2. Step 2: Convert to fraction form
    108,243,988.92/162,389,865.42 = 31,573,017.72/x
  3. Step 3: Cross multiply
    108,243,988.92x = 162,389,865.42 × 31,573,017.72
  4. Step 4: Simplify right side
    108,243,988.92x = 5,127,138,098,454,075
  5. Step 5: Solve for x
    x = 5,127,138,098,454,075/108,243,988.92
  6. Step 6: Final answer
    x = 47,366,492.58

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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.