Home / 80,842,526.20-121,264,826.10-26,989,838.20

Finding the Fourth Proportional to 80,842,526.20, 121,264,826.10 and 26,989,838.20

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Solution

The fourth proportional to 80,842,526.20, 121,264,826.10 and 26,989,838.20 is: 40,485,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,842,526.20 : 121,264,826.10 = 26,989,838.20 : x
  2. Step 2: Convert to fraction form
    80,842,526.20/121,264,826.10 = 26,989,838.20/x
  3. Step 3: Cross multiply
    80,842,526.20x = 121,264,826.10 × 26,989,838.20
  4. Step 4: Simplify right side
    80,842,526.20x = 3,272,918,035,790,137
  5. Step 5: Solve for x
    x = 3,272,918,035,790,137/80,842,526.20
  6. Step 6: Final answer
    x = 40,485,103.44

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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.