Home / 72,720,006.80-109,080,010.20-34,456,254.80

Finding the Fourth Proportional to 72,720,006.80, 109,080,010.20 and 34,456,254.80

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Solution

The fourth proportional to 72,720,006.80, 109,080,010.20 and 34,456,254.80 is: 51,684,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,720,006.80 : 109,080,010.20 = 34,456,254.80 : x
  2. Step 2: Convert to fraction form
    72,720,006.80/109,080,010.20 = 34,456,254.80/x
  3. Step 3: Cross multiply
    72,720,006.80x = 109,080,010.20 × 34,456,254.80
  4. Step 4: Simplify right side
    72,720,006.80x = 3,758,488,625,037,798.50
  5. Step 5: Solve for x
    x = 3,758,488,625,037,798.50/72,720,006.80
  6. Step 6: Final answer
    x = 51,684,382.20

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1.5x scale

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.