Home / 56,513,406.83-77,983,170.93-31,728,753.05

Finding the Fourth Proportional to 56,513,406.83, 77,983,170.93 and 31,728,753.05

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Solution

The fourth proportional to 56,513,406.83, 77,983,170.93 and 31,728,753.05 is: 43,782,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,513,406.83 : 77,983,170.93 = 31,728,753.05 : x
  2. Step 2: Convert to fraction form
    56,513,406.83/77,983,170.93 = 31,728,753.05/x
  3. Step 3: Cross multiply
    56,513,406.83x = 77,983,170.93 × 31,728,753.05
  4. Step 4: Simplify right side
    56,513,406.83x = 2,474,308,772,493,909
  5. Step 5: Solve for x
    x = 2,474,308,772,493,909/56,513,406.83
  6. Step 6: Final answer
    x = 43,782,686.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.