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Finding the Fourth Proportional to 157,480,806.80, 236,221,210.20 and 157,480,806.80

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Solution

The fourth proportional to 157,480,806.80, 236,221,210.20 and 157,480,806.80 is: 236,221,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,480,806.80 : 236,221,210.20 = 157,480,806.80 : x
  2. Step 2: Convert to fraction form
    157,480,806.80/236,221,210.20 = 157,480,806.80/x
  3. Step 3: Cross multiply
    157,480,806.80x = 236,221,210.20 × 157,480,806.80
  4. Step 4: Simplify right side
    157,480,806.80x = 37,200,306,765,568,392
  5. Step 5: Solve for x
    x = 37,200,306,765,568,392/157,480,806.80
  6. Step 6: Final answer
    x = 236,221,210.20

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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.