Home / 272,513,019.60-408,864,007.80-119,269,054.80

Finding the Fourth Proportional to 272,513,019.60, 408,864,007.80 and 119,269,054.80

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Solution

The fourth proportional to 272,513,019.60, 408,864,007.80 and 119,269,054.80 is: 178,944,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,513,019.60 : 408,864,007.80 = 119,269,054.80 : x
  2. Step 2: Convert to fraction form
    272,513,019.60/408,864,007.80 = 119,269,054.80/x
  3. Step 3: Cross multiply
    272,513,019.60x = 408,864,007.80 × 119,269,054.80
  4. Step 4: Simplify right side
    272,513,019.60x = 48,764,823,752,045,824
  5. Step 5: Solve for x
    x = 48,764,823,752,045,824/272,513,019.60
  6. Step 6: Final answer
    x = 178,944,931.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.