Home / 229,719,078.78-317,039,129.70-130,614,675.55

Finding the Fourth Proportional to 229,719,078.78, 317,039,129.70 and 130,614,675.55

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Solution

The fourth proportional to 229,719,078.78, 317,039,129.70 and 130,614,675.55 is: 180,263,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,719,078.78 : 317,039,129.70 = 130,614,675.55 : x
  2. Step 2: Convert to fraction form
    229,719,078.78/317,039,129.70 = 130,614,675.55/x
  3. Step 3: Cross multiply
    229,719,078.78x = 317,039,129.70 × 130,614,675.55
  4. Step 4: Simplify right side
    229,719,078.78x = 41,409,963,062,816,168
  5. Step 5: Solve for x
    x = 41,409,963,062,816,168/229,719,078.78
  6. Step 6: Final answer
    x = 180,263,490.88

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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.