Home / 56,743,773.18-85,127,615.46-18,402,297.72

Finding the Fourth Proportional to 56,743,773.18, 85,127,615.46 and 18,402,297.72

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Solution

The fourth proportional to 56,743,773.18, 85,127,615.46 and 18,402,297.72 is: 27,607,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743,773.18 : 85,127,615.46 = 18,402,297.72 : x
  2. Step 2: Convert to fraction form
    56,743,773.18/85,127,615.46 = 18,402,297.72/x
  3. Step 3: Cross multiply
    56,743,773.18x = 85,127,615.46 × 18,402,297.72
  4. Step 4: Simplify right side
    56,743,773.18x = 1,566,543,723,888,594.50
  5. Step 5: Solve for x
    x = 1,566,543,723,888,594.50/56,743,773.18
  6. Step 6: Final answer
    x = 27,607,323.87

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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.