Home / 127,661,628.10-191,492,442.15-76,005,562.90

Finding the Fourth Proportional to 127,661,628.10, 191,492,442.15 and 76,005,562.90

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Solution

The fourth proportional to 127,661,628.10, 191,492,442.15 and 76,005,562.90 is: 114,008,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,661,628.10 : 191,492,442.15 = 76,005,562.90 : x
  2. Step 2: Convert to fraction form
    127,661,628.10/191,492,442.15 = 76,005,562.90/x
  3. Step 3: Cross multiply
    127,661,628.10x = 191,492,442.15 × 76,005,562.90
  4. Step 4: Simplify right side
    127,661,628.10x = 14,554,490,856,706,438
  5. Step 5: Solve for x
    x = 14,554,490,856,706,438/127,661,628.10
  6. Step 6: Final answer
    x = 114,008,344.35

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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.