Home / 222,092,824.16-306,484,928.88-122,964,065.12

Finding the Fourth Proportional to 222,092,824.16, 306,484,928.88 and 122,964,065.12

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Solution

The fourth proportional to 222,092,824.16, 306,484,928.88 and 122,964,065.12 is: 169,688,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,092,824.16 : 306,484,928.88 = 122,964,065.12 : x
  2. Step 2: Convert to fraction form
    222,092,824.16/306,484,928.88 = 122,964,065.12/x
  3. Step 3: Cross multiply
    222,092,824.16x = 306,484,928.88 × 122,964,065.12
  4. Step 4: Simplify right side
    222,092,824.16x = 37,686,632,753,098,888
  5. Step 5: Solve for x
    x = 37,686,632,753,098,888/222,092,824.16
  6. Step 6: Final answer
    x = 169,688,655.61

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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.