Home / 126,024,422.60-188,658,720.30-74,880,115.40

Finding the Fourth Proportional to 126,024,422.60, 188,658,720.30 and 74,880,115.40

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Solution

The fourth proportional to 126,024,422.60, 188,658,720.30 and 74,880,115.40 is: 112,095,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024,422.60 : 188,658,720.30 = 74,880,115.40 : x
  2. Step 2: Convert to fraction form
    126,024,422.60/188,658,720.30 = 74,880,115.40/x
  3. Step 3: Cross multiply
    126,024,422.60x = 188,658,720.30 × 74,880,115.40
  4. Step 4: Simplify right side
    126,024,422.60x = 14,126,786,747,280,324
  5. Step 5: Solve for x
    x = 14,126,786,747,280,324/126,024,422.60
  6. Step 6: Final answer
    x = 112,095,627.62

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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.