Home / 55,449,720.60-83,166,707.70-19,059,790.20

Finding the Fourth Proportional to 55,449,720.60, 83,166,707.70 and 19,059,790.20

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Solution

The fourth proportional to 55,449,720.60, 83,166,707.70 and 19,059,790.20 is: 28,586,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449,720.60 : 83,166,707.70 = 19,059,790.20 : x
  2. Step 2: Convert to fraction form
    55,449,720.60/83,166,707.70 = 19,059,790.20/x
  3. Step 3: Cross multiply
    55,449,720.60x = 83,166,707.70 × 19,059,790.20
  4. Step 4: Simplify right side
    55,449,720.60x = 1,585,140,000,386,724.50
  5. Step 5: Solve for x
    x = 1,585,140,000,386,724.50/55,449,720.60
  6. Step 6: Final answer
    x = 28,586,979.04

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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.