Home / 57,077,633.17-78,767,349.86-30,972,151.00

Finding the Fourth Proportional to 57,077,633.17, 78,767,349.86 and 30,972,151.00

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Solution

The fourth proportional to 57,077,633.17, 78,767,349.86 and 30,972,151.00 is: 42,741,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077,633.17 : 78,767,349.86 = 30,972,151.00 : x
  2. Step 2: Convert to fraction form
    57,077,633.17/78,767,349.86 = 30,972,151.00/x
  3. Step 3: Cross multiply
    57,077,633.17x = 78,767,349.86 × 30,972,151.00
  4. Step 4: Simplify right side
    57,077,633.17x = 2,439,594,253,902,589.50
  5. Step 5: Solve for x
    x = 2,439,594,253,902,589.50/57,077,633.17
  6. Step 6: Final answer
    x = 42,741,685.64

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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.