Home / 269,168,695.40-403,753,043.10-87,434,244.20

Finding the Fourth Proportional to 269,168,695.40, 403,753,043.10 and 87,434,244.20

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Solution

The fourth proportional to 269,168,695.40, 403,753,043.10 and 87,434,244.20 is: 131,151,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,168,695.40 : 403,753,043.10 = 87,434,244.20 : x
  2. Step 2: Convert to fraction form
    269,168,695.40/403,753,043.10 = 87,434,244.20/x
  3. Step 3: Cross multiply
    269,168,695.40x = 403,753,043.10 × 87,434,244.20
  4. Step 4: Simplify right side
    269,168,695.40x = 35,301,842,166,898,528
  5. Step 5: Solve for x
    x = 35,301,842,166,898,528/269,168,695.40
  6. Step 6: Final answer
    x = 131,151,366.30

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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.