Home / 56,212,086.31-77,572,240.65-31,432,321.08

Finding the Fourth Proportional to 56,212,086.31, 77,572,240.65 and 31,432,321.08

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Solution

The fourth proportional to 56,212,086.31, 77,572,240.65 and 31,432,321.08 is: 43,376,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,212,086.31 : 77,572,240.65 = 31,432,321.08 : x
  2. Step 2: Convert to fraction form
    56,212,086.31/77,572,240.65 = 31,432,321.08/x
  3. Step 3: Cross multiply
    56,212,086.31x = 77,572,240.65 × 31,432,321.08
  4. Step 4: Simplify right side
    56,212,086.31x = 2,438,275,575,005,828
  5. Step 5: Solve for x
    x = 2,438,275,575,005,828/56,212,086.31
  6. Step 6: Final answer
    x = 43,376,357.92

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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.