Home / 54,282,742.20-81,435,923.10-17,884,938.60

Finding the Fourth Proportional to 54,282,742.20, 81,435,923.10 and 17,884,938.60

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Solution

The fourth proportional to 54,282,742.20, 81,435,923.10 and 17,884,938.60 is: 26,831,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282,742.20 : 81,435,923.10 = 17,884,938.60 : x
  2. Step 2: Convert to fraction form
    54,282,742.20/81,435,923.10 = 17,884,938.60/x
  3. Step 3: Cross multiply
    54,282,742.20x = 81,435,923.10 × 17,884,938.60
  4. Step 4: Simplify right side
    54,282,742.20x = 1,456,476,484,477,821.75
  5. Step 5: Solve for x
    x = 1,456,476,484,477,821.75/54,282,742.20
  6. Step 6: Final answer
    x = 26,831,298.96

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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.