Home / 150,500,077,264.65-207,694,516,937.37-81,915,932,563.86

Finding the Fourth Proportional to 150,500,077,264.65, 207,694,516,937.37 and 81,915,932,563.86

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Solution

The fourth proportional to 150,500,077,264.65, 207,694,516,937.37 and 81,915,932,563.86 is: 113,046,387,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,500,077,264.65 : 207,694,516,937.37 = 81,915,932,563.86 : x
  2. Step 2: Convert to fraction form
    150,500,077,264.65/207,694,516,937.37 = 81,915,932,563.86/x
  3. Step 3: Cross multiply
    150,500,077,264.65x = 207,694,516,937.37 × 81,915,932,563.86
  4. Step 4: Simplify right side
    150,500,077,264.65x = 17,013,490,043,325,079,617,536
  5. Step 5: Solve for x
    x = 17,013,490,043,325,079,617,536/150,500,077,264.65
  6. Step 6: Final answer
    x = 113,046,387,434.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.