Home / 207,168,029.80-310,752,044.70-70,857,860.20

Finding the Fourth Proportional to 207,168,029.80, 310,752,044.70 and 70,857,860.20

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Solution

The fourth proportional to 207,168,029.80, 310,752,044.70 and 70,857,860.20 is: 106,286,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,168,029.80 : 310,752,044.70 = 70,857,860.20 : x
  2. Step 2: Convert to fraction form
    207,168,029.80/310,752,044.70 = 70,857,860.20/x
  3. Step 3: Cross multiply
    207,168,029.80x = 310,752,044.70 × 70,857,860.20
  4. Step 4: Simplify right side
    207,168,029.80x = 22,019,224,940,216,752
  5. Step 5: Solve for x
    x = 22,019,224,940,216,752/207,168,029.80
  6. Step 6: Final answer
    x = 106,286,790.30

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1.5x scale

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.