Home / 187,991,834.46-281,923,881.93-65,141,488.86

Finding the Fourth Proportional to 187,991,834.46, 281,923,881.93 and 65,141,488.86

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Solution

The fourth proportional to 187,991,834.46, 281,923,881.93 and 65,141,488.86 is: 97,690,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,991,834.46 : 281,923,881.93 = 65,141,488.86 : x
  2. Step 2: Convert to fraction form
    187,991,834.46/281,923,881.93 = 65,141,488.86/x
  3. Step 3: Cross multiply
    187,991,834.46x = 281,923,881.93 × 65,141,488.86
  4. Step 4: Simplify right side
    187,991,834.46x = 18,364,941,414,111,052
  5. Step 5: Solve for x
    x = 18,364,941,414,111,052/187,991,834.46
  6. Step 6: Final answer
    x = 97,690,101.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.