Home / 54,367,513.80-81,551,270.70-30,181,043.40

Finding the Fourth Proportional to 54,367,513.80, 81,551,270.70 and 30,181,043.40

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Solution

The fourth proportional to 54,367,513.80, 81,551,270.70 and 30,181,043.40 is: 45,271,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367,513.80 : 81,551,270.70 = 30,181,043.40 : x
  2. Step 2: Convert to fraction form
    54,367,513.80/81,551,270.70 = 30,181,043.40/x
  3. Step 3: Cross multiply
    54,367,513.80x = 81,551,270.70 × 30,181,043.40
  4. Step 4: Simplify right side
    54,367,513.80x = 2,461,302,440,321,848.50
  5. Step 5: Solve for x
    x = 2,461,302,440,321,848.50/54,367,513.80
  6. Step 6: Final answer
    x = 45,271,565.10

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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.