Home / 207,168,028.80-310,752,043.20-70,857,859.20

Finding the Fourth Proportional to 207,168,028.80, 310,752,043.20 and 70,857,859.20

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Solution

The fourth proportional to 207,168,028.80, 310,752,043.20 and 70,857,859.20 is: 106,286,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,168,028.80 : 310,752,043.20 = 70,857,859.20 : x
  2. Step 2: Convert to fraction form
    207,168,028.80/310,752,043.20 = 70,857,859.20/x
  3. Step 3: Cross multiply
    207,168,028.80x = 310,752,043.20 × 70,857,859.20
  4. Step 4: Simplify right side
    207,168,028.80x = 22,019,224,523,177,916
  5. Step 5: Solve for x
    x = 22,019,224,523,177,916/207,168,028.80
  6. Step 6: Final answer
    x = 106,286,788.80

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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.