Home / 193,088,008.40-289,632,012.60-71,894,382.80

Finding the Fourth Proportional to 193,088,008.40, 289,632,012.60 and 71,894,382.80

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Solution

The fourth proportional to 193,088,008.40, 289,632,012.60 and 71,894,382.80 is: 107,841,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,088,008.40 : 289,632,012.60 = 71,894,382.80 : x
  2. Step 2: Convert to fraction form
    193,088,008.40/289,632,012.60 = 71,894,382.80/x
  3. Step 3: Cross multiply
    193,088,008.40x = 289,632,012.60 × 71,894,382.80
  4. Step 4: Simplify right side
    193,088,008.40x = 20,822,914,784,998,824
  5. Step 5: Solve for x
    x = 20,822,914,784,998,824/193,088,008.40
  6. Step 6: Final answer
    x = 107,841,574.20

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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.