Home / 55,988,519.60-83,970,175.80-20,086,727.60

Finding the Fourth Proportional to 55,988,519.60, 83,970,175.80 and 20,086,727.60

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Solution

The fourth proportional to 55,988,519.60, 83,970,175.80 and 20,086,727.60 is: 30,125,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988,519.60 : 83,970,175.80 = 20,086,727.60 : x
  2. Step 2: Convert to fraction form
    55,988,519.60/83,970,175.80 = 20,086,727.60/x
  3. Step 3: Cross multiply
    55,988,519.60x = 83,970,175.80 × 20,086,727.60
  4. Step 4: Simplify right side
    55,988,519.60x = 1,686,686,047,818,712.25
  5. Step 5: Solve for x
    x = 1,686,686,047,818,712.25/55,988,519.60
  6. Step 6: Final answer
    x = 30,125,569.67

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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.