Home / 56,683,883.76-85,039,317.40-18,345,397.92

Finding the Fourth Proportional to 56,683,883.76, 85,039,317.40 and 18,345,397.92

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Solution

The fourth proportional to 56,683,883.76, 85,039,317.40 and 18,345,397.92 is: 27,522,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683,883.76 : 85,039,317.40 = 18,345,397.92 : x
  2. Step 2: Convert to fraction form
    56,683,883.76/85,039,317.40 = 18,345,397.92/x
  3. Step 3: Cross multiply
    56,683,883.76x = 85,039,317.40 × 18,345,397.92
  4. Step 4: Simplify right side
    56,683,883.76x = 1,560,080,116,548,180
  5. Step 5: Solve for x
    x = 1,560,080,116,548,180/56,683,883.76
  6. Step 6: Final answer
    x = 27,522,463.41

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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.