Home / 56,045,784.88-77,343,148.20-30,291,672.88

Finding the Fourth Proportional to 56,045,784.88, 77,343,148.20 and 30,291,672.88

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Solution

The fourth proportional to 56,045,784.88, 77,343,148.20 and 30,291,672.88 is: 41,802,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,045,784.88 : 77,343,148.20 = 30,291,672.88 : x
  2. Step 2: Convert to fraction form
    56,045,784.88/77,343,148.20 = 30,291,672.88/x
  3. Step 3: Cross multiply
    56,045,784.88x = 77,343,148.20 × 30,291,672.88
  4. Step 4: Simplify right side
    56,045,784.88x = 2,342,853,344,783,761
  5. Step 5: Solve for x
    x = 2,342,853,344,783,761/56,045,784.88
  6. Step 6: Final answer
    x = 41,802,489.69

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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.