Home / 51,980,727.90-71,710,887.15-31,342,708.74

Finding the Fourth Proportional to 51,980,727.90, 71,710,887.15 and 31,342,708.74

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Solution

The fourth proportional to 51,980,727.90, 71,710,887.15 and 31,342,708.74 is: 43,239,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980,727.90 : 71,710,887.15 = 31,342,708.74 : x
  2. Step 2: Convert to fraction form
    51,980,727.90/71,710,887.15 = 31,342,708.74/x
  3. Step 3: Cross multiply
    51,980,727.90x = 71,710,887.15 × 31,342,708.74
  4. Step 4: Simplify right side
    51,980,727.90x = 2,247,613,449,429,458.75
  5. Step 5: Solve for x
    x = 2,247,613,449,429,458.75/51,980,727.90
  6. Step 6: Final answer
    x = 43,239,360.82

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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.