Home / 39,988,136.80-59,982,205.20-36,870,349.60

Finding the Fourth Proportional to 39,988,136.80, 59,982,205.20 and 36,870,349.60

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Solution

The fourth proportional to 39,988,136.80, 59,982,205.20 and 36,870,349.60 is: 55,305,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988,136.80 : 59,982,205.20 = 36,870,349.60 : x
  2. Step 2: Convert to fraction form
    39,988,136.80/59,982,205.20 = 36,870,349.60/x
  3. Step 3: Cross multiply
    39,988,136.80x = 59,982,205.20 × 36,870,349.60
  4. Step 4: Simplify right side
    39,988,136.80x = 2,211,564,875,502,938
  5. Step 5: Solve for x
    x = 2,211,564,875,502,938/39,988,136.80
  6. Step 6: Final answer
    x = 55,305,524.40

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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.