Home / 56,347,987.56-77,762,145.12-31,569,219.24

Finding the Fourth Proportional to 56,347,987.56, 77,762,145.12 and 31,569,219.24

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Solution

The fourth proportional to 56,347,987.56, 77,762,145.12 and 31,569,219.24 is: 43,566,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347,987.56 : 77,762,145.12 = 31,569,219.24 : x
  2. Step 2: Convert to fraction form
    56,347,987.56/77,762,145.12 = 31,569,219.24/x
  3. Step 3: Cross multiply
    56,347,987.56x = 77,762,145.12 × 31,569,219.24
  4. Step 4: Simplify right side
    56,347,987.56x = 2,454,890,207,865,976
  5. Step 5: Solve for x
    x = 2,454,890,207,865,976/56,347,987.56
  6. Step 6: Final answer
    x = 43,566,599.52

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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.