Home / 55,597,020.32-76,723,836.72-31,150,909.28

Finding the Fourth Proportional to 55,597,020.32, 76,723,836.72 and 31,150,909.28

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Solution

The fourth proportional to 55,597,020.32, 76,723,836.72 and 31,150,909.28 is: 42,988,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597,020.32 : 76,723,836.72 = 31,150,909.28 : x
  2. Step 2: Convert to fraction form
    55,597,020.32/76,723,836.72 = 31,150,909.28/x
  3. Step 3: Cross multiply
    55,597,020.32x = 76,723,836.72 × 31,150,909.28
  4. Step 4: Simplify right side
    55,597,020.32x = 2,390,017,277,278,253
  5. Step 5: Solve for x
    x = 2,390,017,277,278,253/55,597,020.32
  6. Step 6: Final answer
    x = 42,988,226.05

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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.