Home / 55,989,432.10-83,971,544.55-20,087,640.10

Finding the Fourth Proportional to 55,989,432.10, 83,971,544.55 and 20,087,640.10

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Solution

The fourth proportional to 55,989,432.10, 83,971,544.55 and 20,087,640.10 is: 30,126,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989,432.10 : 83,971,544.55 = 20,087,640.10 : x
  2. Step 2: Convert to fraction form
    55,989,432.10/83,971,544.55 = 20,087,640.10/x
  3. Step 3: Cross multiply
    55,989,432.10x = 83,971,544.55 × 20,087,640.10
  4. Step 4: Simplify right side
    55,989,432.10x = 1,686,790,165,561,516.50
  5. Step 5: Solve for x
    x = 1,686,790,165,561,516.50/55,989,432.10
  6. Step 6: Final answer
    x = 30,126,938.29

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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.