Home / 140,680,247.74-194,139,881.56-77,957,393.52

Finding the Fourth Proportional to 140,680,247.74, 194,139,881.56 and 77,957,393.52

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Solution

The fourth proportional to 140,680,247.74, 194,139,881.56 and 77,957,393.52 is: 107,581,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,680,247.74 : 194,139,881.56 = 77,957,393.52 : x
  2. Step 2: Convert to fraction form
    140,680,247.74/194,139,881.56 = 77,957,393.52/x
  3. Step 3: Cross multiply
    140,680,247.74x = 194,139,881.56 × 77,957,393.52
  4. Step 4: Simplify right side
    140,680,247.74x = 15,134,639,144,699,110
  5. Step 5: Solve for x
    x = 15,134,639,144,699,110/140,680,247.74
  6. Step 6: Final answer
    x = 107,581,834.61

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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.