Home / 56,753,342.15-85,130,014.38-13,622,545.52

Finding the Fourth Proportional to 56,753,342.15, 85,130,014.38 and 13,622,545.52

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Solution

The fourth proportional to 56,753,342.15, 85,130,014.38 and 13,622,545.52 is: 20,433,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753,342.15 : 85,130,014.38 = 13,622,545.52 : x
  2. Step 2: Convert to fraction form
    56,753,342.15/85,130,014.38 = 13,622,545.52/x
  3. Step 3: Cross multiply
    56,753,342.15x = 85,130,014.38 × 13,622,545.52
  4. Step 4: Simplify right side
    56,753,342.15x = 1,159,687,496,386,185.25
  5. Step 5: Solve for x
    x = 1,159,687,496,386,185.25/56,753,342.15
  6. Step 6: Final answer
    x = 20,433,818.56

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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.