Home / 108,623,781.40-162,935,672.10-31,954,559.80

Finding the Fourth Proportional to 108,623,781.40, 162,935,672.10 and 31,954,559.80

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Solution

The fourth proportional to 108,623,781.40, 162,935,672.10 and 31,954,559.80 is: 47,931,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,623,781.40 : 162,935,672.10 = 31,954,559.80 : x
  2. Step 2: Convert to fraction form
    108,623,781.40/162,935,672.10 = 31,954,559.80/x
  3. Step 3: Cross multiply
    108,623,781.40x = 162,935,672.10 × 31,954,559.80
  4. Step 4: Simplify right side
    108,623,781.40x = 5,206,537,677,672,642
  5. Step 5: Solve for x
    x = 5,206,537,677,672,642/108,623,781.40
  6. Step 6: Final answer
    x = 47,931,839.70

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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.