Home / 83,136,971.32-114,724,392.60-45,965,102.56

Finding the Fourth Proportional to 83,136,971.32, 114,724,392.60 and 45,965,102.56

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Solution

The fourth proportional to 83,136,971.32, 114,724,392.60 and 45,965,102.56 is: 63,429,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136,971.32 : 114,724,392.60 = 45,965,102.56 : x
  2. Step 2: Convert to fraction form
    83,136,971.32/114,724,392.60 = 45,965,102.56/x
  3. Step 3: Cross multiply
    83,136,971.32x = 114,724,392.60 × 45,965,102.56
  4. Step 4: Simplify right side
    83,136,971.32x = 5,273,318,471,992,705
  5. Step 5: Solve for x
    x = 5,273,318,471,992,705/83,136,971.32
  6. Step 6: Final answer
    x = 63,429,282.88

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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.