Home / 42,767,422.80-64,151,134.20-40,247,998.80

Finding the Fourth Proportional to 42,767,422.80, 64,151,134.20 and 40,247,998.80

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Solution

The fourth proportional to 42,767,422.80, 64,151,134.20 and 40,247,998.80 is: 60,371,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767,422.80 : 64,151,134.20 = 40,247,998.80 : x
  2. Step 2: Convert to fraction form
    42,767,422.80/64,151,134.20 = 40,247,998.80/x
  3. Step 3: Cross multiply
    42,767,422.80x = 64,151,134.20 × 40,247,998.80
  4. Step 4: Simplify right side
    42,767,422.80x = 2,581,954,772,300,239
  5. Step 5: Solve for x
    x = 2,581,954,772,300,239/42,767,422.80
  6. Step 6: Final answer
    x = 60,371,998.20

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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.