Home / 141,427,734.94-195,168,864.11-78,702,758.52

Finding the Fourth Proportional to 141,427,734.94, 195,168,864.11 and 78,702,758.52

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Solution

The fourth proportional to 141,427,734.94, 195,168,864.11 and 78,702,758.52 is: 108,609,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,427,734.94 : 195,168,864.11 = 78,702,758.52 : x
  2. Step 2: Convert to fraction form
    141,427,734.94/195,168,864.11 = 78,702,758.52/x
  3. Step 3: Cross multiply
    141,427,734.94x = 195,168,864.11 × 78,702,758.52
  4. Step 4: Simplify right side
    141,427,734.94x = 15,360,327,982,672,026
  5. Step 5: Solve for x
    x = 15,360,327,982,672,026/141,427,734.94
  6. Step 6: Final answer
    x = 108,609,022.05

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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.