Home / 101,738,988.42-140,398,470.62-55,328,253.18

Finding the Fourth Proportional to 101,738,988.42, 140,398,470.62 and 55,328,253.18

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Solution

The fourth proportional to 101,738,988.42, 140,398,470.62 and 55,328,253.18 is: 76,352,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,738,988.42 : 140,398,470.62 = 55,328,253.18 : x
  2. Step 2: Convert to fraction form
    101,738,988.42/140,398,470.62 = 55,328,253.18/x
  3. Step 3: Cross multiply
    101,738,988.42x = 140,398,470.62 × 55,328,253.18
  4. Step 4: Simplify right side
    101,738,988.42x = 7,768,002,128,548,152
  5. Step 5: Solve for x
    x = 7,768,002,128,548,152/101,738,988.42
  6. Step 6: Final answer
    x = 76,352,264.25

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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.