Home / 55,586,687.16-76,709,635.56-30,808,473.71

Finding the Fourth Proportional to 55,586,687.16, 76,709,635.56 and 30,808,473.71

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Solution

The fourth proportional to 55,586,687.16, 76,709,635.56 and 30,808,473.71 is: 42,515,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586,687.16 : 76,709,635.56 = 30,808,473.71 : x
  2. Step 2: Convert to fraction form
    55,586,687.16/76,709,635.56 = 30,808,473.71/x
  3. Step 3: Cross multiply
    55,586,687.16x = 76,709,635.56 × 30,808,473.71
  4. Step 4: Simplify right side
    55,586,687.16x = 2,363,306,790,070,393
  5. Step 5: Solve for x
    x = 2,363,306,790,070,393/55,586,687.16
  6. Step 6: Final answer
    x = 42,515,697.74

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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.