Home / 194,821,337.28-292,245,641.86-78,236,675.66

Finding the Fourth Proportional to 194,821,337.28, 292,245,641.86 and 78,236,675.66

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Solution

The fourth proportional to 194,821,337.28, 292,245,641.86 and 78,236,675.66 is: 117,360,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,821,337.28 : 292,245,641.86 = 78,236,675.66 : x
  2. Step 2: Convert to fraction form
    194,821,337.28/292,245,641.86 = 78,236,675.66/x
  3. Step 3: Cross multiply
    194,821,337.28x = 292,245,641.86 × 78,236,675.66
  4. Step 4: Simplify right side
    194,821,337.28x = 22,864,327,495,249,340
  5. Step 5: Solve for x
    x = 22,864,327,495,249,340/194,821,337.28
  6. Step 6: Final answer
    x = 117,360,489.43

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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.