Home / 293,203,805.20-439,693,733.40-88,663,901.20

Finding the Fourth Proportional to 293,203,805.20, 439,693,733.40 and 88,663,901.20

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Solution

The fourth proportional to 293,203,805.20, 439,693,733.40 and 88,663,901.20 is: 132,961,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,203,805.20 : 439,693,733.40 = 88,663,901.20 : x
  2. Step 2: Convert to fraction form
    293,203,805.20/439,693,733.40 = 88,663,901.20/x
  3. Step 3: Cross multiply
    293,203,805.20x = 439,693,733.40 × 88,663,901.20
  4. Step 4: Simplify right side
    293,203,805.20x = 38,984,961,736,436,736
  5. Step 5: Solve for x
    x = 38,984,961,736,436,736/293,203,805.20
  6. Step 6: Final answer
    x = 132,961,991.10

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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.