Home / 56,932,921.16-78,565,985.70-31,815,245.96

Finding the Fourth Proportional to 56,932,921.16, 78,565,985.70 and 31,815,245.96

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Solution

The fourth proportional to 56,932,921.16, 78,565,985.70 and 31,815,245.96 is: 43,904,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932,921.16 : 78,565,985.70 = 31,815,245.96 : x
  2. Step 2: Convert to fraction form
    56,932,921.16/78,565,985.70 = 31,815,245.96/x
  3. Step 3: Cross multiply
    56,932,921.16x = 78,565,985.70 × 31,815,245.96
  4. Step 4: Simplify right side
    56,932,921.16x = 2,499,596,159,135,343
  5. Step 5: Solve for x
    x = 2,499,596,159,135,343/56,932,921.16
  6. Step 6: Final answer
    x = 43,904,231.65

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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.