Home / 293,419,588.20-439,849,446.30-109,137,719.40

Finding the Fourth Proportional to 293,419,588.20, 439,849,446.30 and 109,137,719.40

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Solution

The fourth proportional to 293,419,588.20, 439,849,446.30 and 109,137,719.40 is: 163,602,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,588.20 : 439,849,446.30 = 109,137,719.40 : x
  2. Step 2: Convert to fraction form
    293,419,588.20/439,849,446.30 = 109,137,719.40/x
  3. Step 3: Cross multiply
    293,419,588.20x = 439,849,446.30 × 109,137,719.40
  4. Step 4: Simplify right side
    293,419,588.20x = 48,004,165,448,534,776
  5. Step 5: Solve for x
    x = 48,004,165,448,534,776/293,419,588.20
  6. Step 6: Final answer
    x = 163,602,456.62

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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.