Home / 127,661,723.10-191,492,584.65-76,005,657.90

Finding the Fourth Proportional to 127,661,723.10, 191,492,584.65 and 76,005,657.90

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Solution

The fourth proportional to 127,661,723.10, 191,492,584.65 and 76,005,657.90 is: 114,008,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,661,723.10 : 191,492,584.65 = 76,005,657.90 : x
  2. Step 2: Convert to fraction form
    127,661,723.10/191,492,584.65 = 76,005,657.90/x
  3. Step 3: Cross multiply
    127,661,723.10x = 191,492,584.65 × 76,005,657.90
  4. Step 4: Simplify right side
    127,661,723.10x = 14,554,519,879,294,692
  5. Step 5: Solve for x
    x = 14,554,519,879,294,692/127,661,723.10
  6. Step 6: Final answer
    x = 114,008,486.85

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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.