Home / 63,896,918.40-95,845,377.60-20,767,528.80

Finding the Fourth Proportional to 63,896,918.40, 95,845,377.60 and 20,767,528.80

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Solution

The fourth proportional to 63,896,918.40, 95,845,377.60 and 20,767,528.80 is: 31,151,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,896,918.40 : 95,845,377.60 = 20,767,528.80 : x
  2. Step 2: Convert to fraction form
    63,896,918.40/95,845,377.60 = 20,767,528.80/x
  3. Step 3: Cross multiply
    63,896,918.40x = 95,845,377.60 × 20,767,528.80
  4. Step 4: Simplify right side
    63,896,918.40x = 1,990,471,639,654,874.75
  5. Step 5: Solve for x
    x = 1,990,471,639,654,874.75/63,896,918.40
  6. Step 6: Final answer
    x = 31,151,293.20

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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.