Home / 54,641,707.20-81,994,053.60-20,587,492.80

Finding the Fourth Proportional to 54,641,707.20, 81,994,053.60 and 20,587,492.80

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Solution

The fourth proportional to 54,641,707.20, 81,994,053.60 and 20,587,492.80 is: 30,893,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641,707.20 : 81,994,053.60 = 20,587,492.80 : x
  2. Step 2: Convert to fraction form
    54,641,707.20/81,994,053.60 = 20,587,492.80/x
  3. Step 3: Cross multiply
    54,641,707.20x = 81,994,053.60 × 20,587,492.80
  4. Step 4: Simplify right side
    54,641,707.20x = 1,688,051,988,132,814
  5. Step 5: Solve for x
    x = 1,688,051,988,132,814/54,641,707.20
  6. Step 6: Final answer
    x = 30,893,104.82

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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.