Home / 150,500,077,266.15-207,694,516,939.44-81,915,932,565.36

Finding the Fourth Proportional to 150,500,077,266.15, 207,694,516,939.44 and 81,915,932,565.36

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Solution

The fourth proportional to 150,500,077,266.15, 207,694,516,939.44 and 81,915,932,565.36 is: 113,046,387,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,500,077,266.15 : 207,694,516,939.44 = 81,915,932,565.36 : x
  2. Step 2: Convert to fraction form
    150,500,077,266.15/207,694,516,939.44 = 81,915,932,565.36/x
  3. Step 3: Cross multiply
    150,500,077,266.15x = 207,694,516,939.44 × 81,915,932,565.36
  4. Step 4: Simplify right side
    150,500,077,266.15x = 17,013,490,043,806,187,257,856
  5. Step 5: Solve for x
    x = 17,013,490,043,806,187,257,856/150,500,077,266.15
  6. Step 6: Final answer
    x = 113,046,387,436.19

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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.