Home / 40,357,432.08-55,678,702.32-31,067,846.64

Finding the Fourth Proportional to 40,357,432.08, 55,678,702.32 and 31,067,846.64

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Solution

The fourth proportional to 40,357,432.08, 55,678,702.32 and 31,067,846.64 is: 42,862,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357,432.08 : 55,678,702.32 = 31,067,846.64 : x
  2. Step 2: Convert to fraction form
    40,357,432.08/55,678,702.32 = 31,067,846.64/x
  3. Step 3: Cross multiply
    40,357,432.08x = 55,678,702.32 × 31,067,846.64
  4. Step 4: Simplify right side
    40,357,432.08x = 1,729,817,384,791,972.25
  5. Step 5: Solve for x
    x = 1,729,817,384,791,972.25/40,357,432.08
  6. Step 6: Final answer
    x = 42,862,424.48

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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.