Home / 315,552,618.60-473,104,979.10-143,112,042.60

Finding the Fourth Proportional to 315,552,618.60, 473,104,979.10 and 143,112,042.60

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Solution

The fourth proportional to 315,552,618.60, 473,104,979.10 and 143,112,042.60 is: 214,566,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,552,618.60 : 473,104,979.10 = 143,112,042.60 : x
  2. Step 2: Convert to fraction form
    315,552,618.60/473,104,979.10 = 143,112,042.60/x
  3. Step 3: Cross multiply
    315,552,618.60x = 473,104,979.10 × 143,112,042.60
  4. Step 4: Simplify right side
    315,552,618.60x = 67,707,019,923,231,312
  5. Step 5: Solve for x
    x = 67,707,019,923,231,312/315,552,618.60
  6. Step 6: Final answer
    x = 214,566,496.78

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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.