Home / 55,553,643.38-76,663,065.84-30,773,309.16

Finding the Fourth Proportional to 55,553,643.38, 76,663,065.84 and 30,773,309.16

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Solution

The fourth proportional to 55,553,643.38, 76,663,065.84 and 30,773,309.16 is: 42,466,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553,643.38 : 76,663,065.84 = 30,773,309.16 : x
  2. Step 2: Convert to fraction form
    55,553,643.38/76,663,065.84 = 30,773,309.16/x
  3. Step 3: Cross multiply
    55,553,643.38x = 76,663,065.84 × 30,773,309.16
  4. Step 4: Simplify right side
    55,553,643.38x = 2,359,176,226,419,842
  5. Step 5: Solve for x
    x = 2,359,176,226,419,842/55,553,643.38
  6. Step 6: Final answer
    x = 42,466,633.74

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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.