Home / 54,642,292.20-81,994,931.10-20,588,077.80

Finding the Fourth Proportional to 54,642,292.20, 81,994,931.10 and 20,588,077.80

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Solution

The fourth proportional to 54,642,292.20, 81,994,931.10 and 20,588,077.80 is: 30,893,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642,292.20 : 81,994,931.10 = 20,588,077.80 : x
  2. Step 2: Convert to fraction form
    54,642,292.20/81,994,931.10 = 20,588,077.80/x
  3. Step 3: Cross multiply
    54,642,292.20x = 81,994,931.10 × 20,588,077.80
  4. Step 4: Simplify right side
    54,642,292.20x = 1,688,118,020,692,439.50
  5. Step 5: Solve for x
    x = 1,688,118,020,692,439.50/54,642,292.20
  6. Step 6: Final answer
    x = 30,893,982.53

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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.