Home / 56,543,148.39-78,032,877.85-42,579,868.27

Finding the Fourth Proportional to 56,543,148.39, 78,032,877.85 and 42,579,868.27

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Solution

The fourth proportional to 56,543,148.39, 78,032,877.85 and 42,579,868.27 is: 58,762,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,543,148.39 : 78,032,877.85 = 42,579,868.27 : x
  2. Step 2: Convert to fraction form
    56,543,148.39/78,032,877.85 = 42,579,868.27/x
  3. Step 3: Cross multiply
    56,543,148.39x = 78,032,877.85 × 42,579,868.27
  4. Step 4: Simplify right side
    56,543,148.39x = 3,322,629,659,582,001
  5. Step 5: Solve for x
    x = 3,322,629,659,582,001/56,543,148.39
  6. Step 6: Final answer
    x = 58,762,728.19

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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.