Home / 56,681,996.40-85,033,492.20-18,344,761.20

Finding the Fourth Proportional to 56,681,996.40, 85,033,492.20 and 18,344,761.20

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Solution

The fourth proportional to 56,681,996.40, 85,033,492.20 and 18,344,761.20 is: 27,520,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,681,996.40 : 85,033,492.20 = 18,344,761.20 : x
  2. Step 2: Convert to fraction form
    56,681,996.40/85,033,492.20 = 18,344,761.20/x
  3. Step 3: Cross multiply
    56,681,996.40x = 85,033,492.20 × 18,344,761.20
  4. Step 4: Simplify right side
    56,681,996.40x = 1,559,919,108,411,062.75
  5. Step 5: Solve for x
    x = 1,559,919,108,411,062.75/56,681,996.40
  6. Step 6: Final answer
    x = 27,520,539.28

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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.