Home / 222,346,856.20-306,838,690.64-123,234,002.50

Finding the Fourth Proportional to 222,346,856.20, 306,838,690.64 and 123,234,002.50

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Solution

The fourth proportional to 222,346,856.20, 306,838,690.64 and 123,234,002.50 is: 170,062,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,346,856.20 : 306,838,690.64 = 123,234,002.50 : x
  2. Step 2: Convert to fraction form
    222,346,856.20/306,838,690.64 = 123,234,002.50/x
  3. Step 3: Cross multiply
    222,346,856.20x = 306,838,690.64 × 123,234,002.50
  4. Step 4: Simplify right side
    222,346,856.20x = 37,812,959,969,426,488
  5. Step 5: Solve for x
    x = 37,812,959,969,426,488/222,346,856.20
  6. Step 6: Final answer
    x = 170,062,939.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.