Home / 218,428,318.92-301,429,088.46-119,309,050.44

Finding the Fourth Proportional to 218,428,318.92, 301,429,088.46 and 119,309,050.44

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Solution

The fourth proportional to 218,428,318.92, 301,429,088.46 and 119,309,050.44 is: 164,645,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,428,318.92 : 301,429,088.46 = 119,309,050.44 : x
  2. Step 2: Convert to fraction form
    218,428,318.92/301,429,088.46 = 119,309,050.44/x
  3. Step 3: Cross multiply
    218,428,318.92x = 301,429,088.46 × 119,309,050.44
  4. Step 4: Simplify right side
    218,428,318.92x = 35,963,218,319,157,360
  5. Step 5: Solve for x
    x = 35,963,218,319,157,360/218,428,318.92
  6. Step 6: Final answer
    x = 164,645,401.74

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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.