Home / 55,988,512.60-83,970,165.30-20,086,720.60

Finding the Fourth Proportional to 55,988,512.60, 83,970,165.30 and 20,086,720.60

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Solution

The fourth proportional to 55,988,512.60, 83,970,165.30 and 20,086,720.60 is: 30,125,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988,512.60 : 83,970,165.30 = 20,086,720.60 : x
  2. Step 2: Convert to fraction form
    55,988,512.60/83,970,165.30 = 20,086,720.60/x
  3. Step 3: Cross multiply
    55,988,512.60x = 83,970,165.30 × 20,086,720.60
  4. Step 4: Simplify right side
    55,988,512.60x = 1,686,685,249,116,915.25
  5. Step 5: Solve for x
    x = 1,686,685,249,116,915.25/55,988,512.60
  6. Step 6: Final answer
    x = 30,125,559.17

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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.