Home / 54,367,428.30-81,551,142.45-30,180,957.90

Finding the Fourth Proportional to 54,367,428.30, 81,551,142.45 and 30,180,957.90

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Solution

The fourth proportional to 54,367,428.30, 81,551,142.45 and 30,180,957.90 is: 45,271,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367,428.30 : 81,551,142.45 = 30,180,957.90 : x
  2. Step 2: Convert to fraction form
    54,367,428.30/81,551,142.45 = 30,180,957.90/x
  3. Step 3: Cross multiply
    54,367,428.30x = 81,551,142.45 × 30,180,957.90
  4. Step 4: Simplify right side
    54,367,428.30x = 2,461,291,596,980,353
  5. Step 5: Solve for x
    x = 2,461,291,596,980,353/54,367,428.30
  6. Step 6: Final answer
    x = 45,271,436.85

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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.