Home / 56,681,999.40-85,033,496.70-18,344,764.20

Finding the Fourth Proportional to 56,681,999.40, 85,033,496.70 and 18,344,764.20

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Solution

The fourth proportional to 56,681,999.40, 85,033,496.70 and 18,344,764.20 is: 27,520,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,681,999.40 : 85,033,496.70 = 18,344,764.20 : x
  2. Step 2: Convert to fraction form
    56,681,999.40/85,033,496.70 = 18,344,764.20/x
  3. Step 3: Cross multiply
    56,681,999.40x = 85,033,496.70 × 18,344,764.20
  4. Step 4: Simplify right side
    56,681,999.40x = 1,559,919,446,062,978.25
  5. Step 5: Solve for x
    x = 1,559,919,446,062,978.25/56,681,999.40
  6. Step 6: Final answer
    x = 27,520,543.78

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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.