Home / 127,661,630.60-191,492,445.90-76,005,565.40

Finding the Fourth Proportional to 127,661,630.60, 191,492,445.90 and 76,005,565.40

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Solution

The fourth proportional to 127,661,630.60, 191,492,445.90 and 76,005,565.40 is: 114,008,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,661,630.60 : 191,492,445.90 = 76,005,565.40 : x
  2. Step 2: Convert to fraction form
    127,661,630.60/191,492,445.90 = 76,005,565.40/x
  3. Step 3: Cross multiply
    127,661,630.60x = 191,492,445.90 × 76,005,565.40
  4. Step 4: Simplify right side
    127,661,630.60x = 14,554,491,620,458,414
  5. Step 5: Solve for x
    x = 14,554,491,620,458,414/127,661,630.60
  6. Step 6: Final answer
    x = 114,008,348.10

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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.