Home / 83,530,718.40-125,266,061.01-28,928,600.19

Finding the Fourth Proportional to 83,530,718.40, 125,266,061.01 and 28,928,600.19

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Solution

The fourth proportional to 83,530,718.40, 125,266,061.01 and 28,928,600.19 is: 43,382,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,530,718.40 : 125,266,061.01 = 28,928,600.19 : x
  2. Step 2: Convert to fraction form
    83,530,718.40/125,266,061.01 = 28,928,600.19/x
  3. Step 3: Cross multiply
    83,530,718.40x = 125,266,061.01 × 28,928,600.19
  4. Step 4: Simplify right side
    83,530,718.40x = 3,623,771,796,334,438
  5. Step 5: Solve for x
    x = 3,623,771,796,334,438/83,530,718.40
  6. Step 6: Final answer
    x = 43,382,504.85

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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.