Home / 141,226,513.93-194,894,919.85-77,649,539.34

Finding the Fourth Proportional to 141,226,513.93, 194,894,919.85 and 77,649,539.34

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Solution

The fourth proportional to 141,226,513.93, 194,894,919.85 and 77,649,539.34 is: 107,157,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,226,513.93 : 194,894,919.85 = 77,649,539.34 : x
  2. Step 2: Convert to fraction form
    141,226,513.93/194,894,919.85 = 77,649,539.34/x
  3. Step 3: Cross multiply
    141,226,513.93x = 194,894,919.85 × 77,649,539.34
  4. Step 4: Simplify right side
    141,226,513.93x = 15,133,500,745,425,598
  5. Step 5: Solve for x
    x = 15,133,500,745,425,598/141,226,513.93
  6. Step 6: Final answer
    x = 107,157,645.71

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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.