Home / 141,780,588.30-195,652,374.66-78,203,446.92

Finding the Fourth Proportional to 141,780,588.30, 195,652,374.66 and 78,203,446.92

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Solution

The fourth proportional to 141,780,588.30, 195,652,374.66 and 78,203,446.92 is: 107,918,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,780,588.30 : 195,652,374.66 = 78,203,446.92 : x
  2. Step 2: Convert to fraction form
    141,780,588.30/195,652,374.66 = 78,203,446.92/x
  3. Step 3: Cross multiply
    141,780,588.30x = 195,652,374.66 × 78,203,446.92
  4. Step 4: Simplify right side
    141,780,588.30x = 15,300,690,096,495,264
  5. Step 5: Solve for x
    x = 15,300,690,096,495,264/141,780,588.30
  6. Step 6: Final answer
    x = 107,918,088.65

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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.