Home / 55,055,820.40-82,583,730.60-19,154,028.40

Finding the Fourth Proportional to 55,055,820.40, 82,583,730.60 and 19,154,028.40

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Solution

The fourth proportional to 55,055,820.40, 82,583,730.60 and 19,154,028.40 is: 28,731,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055,820.40 : 82,583,730.60 = 19,154,028.40 : x
  2. Step 2: Convert to fraction form
    55,055,820.40/82,583,730.60 = 19,154,028.40/x
  3. Step 3: Cross multiply
    55,055,820.40x = 82,583,730.60 × 19,154,028.40
  4. Step 4: Simplify right side
    55,055,820.40x = 1,581,811,121,290,348.75
  5. Step 5: Solve for x
    x = 1,581,811,121,290,348.75/55,055,820.40
  6. Step 6: Final answer
    x = 28,731,042.60

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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.