Home / 74,616,920,141.28-102,959,843,379.30-42,498,187,689.78

Finding the Fourth Proportional to 74,616,920,141.28, 102,959,843,379.30 and 42,498,187,689.78

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Solution

The fourth proportional to 74,616,920,141.28, 102,959,843,379.30 and 42,498,187,689.78 is: 58,640,945,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,616,920,141.28 : 102,959,843,379.30 = 42,498,187,689.78 : x
  2. Step 2: Convert to fraction form
    74,616,920,141.28/102,959,843,379.30 = 42,498,187,689.78/x
  3. Step 3: Cross multiply
    74,616,920,141.28x = 102,959,843,379.30 × 42,498,187,689.78
  4. Step 4: Simplify right side
    74,616,920,141.28x = 4,375,606,748,443,844,280,320
  5. Step 5: Solve for x
    x = 4,375,606,748,443,844,280,320/74,616,920,141.28
  6. Step 6: Final answer
    x = 58,640,945,514.22

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1.5x scale

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.