Home / 65,970,266.40-99,144,356.40-57,656,167.20

Finding the Fourth Proportional to 65,970,266.40, 99,144,356.40 and 57,656,167.20

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Solution

The fourth proportional to 65,970,266.40, 99,144,356.40 and 57,656,167.20 is: 86,649,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,970,266.40 : 99,144,356.40 = 57,656,167.20 : x
  2. Step 2: Convert to fraction form
    65,970,266.40/99,144,356.40 = 57,656,167.20/x
  3. Step 3: Cross multiply
    65,970,266.40x = 99,144,356.40 × 57,656,167.20
  4. Step 4: Simplify right side
    65,970,266.40x = 5,716,283,589,534,791
  5. Step 5: Solve for x
    x = 5,716,283,589,534,791/65,970,266.40
  6. Step 6: Final answer
    x = 86,649,393.76

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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.