Home / 302,026,903.40-453,376,278.30-165,978,007.40

Finding the Fourth Proportional to 302,026,903.40, 453,376,278.30 and 165,978,007.40

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Solution

The fourth proportional to 302,026,903.40, 453,376,278.30 and 165,978,007.40 is: 249,151,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,026,903.40 : 453,376,278.30 = 165,978,007.40 : x
  2. Step 2: Convert to fraction form
    302,026,903.40/453,376,278.30 = 165,978,007.40/x
  3. Step 3: Cross multiply
    302,026,903.40x = 453,376,278.30 × 165,978,007.40
  4. Step 4: Simplify right side
    302,026,903.40x = 75,250,491,274,661,872
  5. Step 5: Solve for x
    x = 75,250,491,274,661,872/302,026,903.40
  6. Step 6: Final answer
    x = 249,151,616.72

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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.