Home / 56,170,472.30-77,508,538.41-31,049,188.09

Finding the Fourth Proportional to 56,170,472.30, 77,508,538.41 and 31,049,188.09

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Solution

The fourth proportional to 56,170,472.30, 77,508,538.41 and 31,049,188.09 is: 42,844,168.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170,472.30 : 77,508,538.41 = 31,049,188.09 : x
  2. Step 2: Convert to fraction form
    56,170,472.30/77,508,538.41 = 31,049,188.09/x
  3. Step 3: Cross multiply
    56,170,472.30x = 77,508,538.41 × 31,049,188.09
  4. Step 4: Simplify right side
    56,170,472.30x = 2,406,577,187,673,079.50
  5. Step 5: Solve for x
    x = 2,406,577,187,673,079.50/56,170,472.30
  6. Step 6: Final answer
    x = 42,844,168.64

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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.