Home / 187,820,930.80-259,154,071.16-108,434,616.62

Finding the Fourth Proportional to 187,820,930.80, 259,154,071.16 and 108,434,616.62

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Solution

The fourth proportional to 187,820,930.80, 259,154,071.16 and 108,434,616.62 is: 149,617,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820,930.80 : 259,154,071.16 = 108,434,616.62 : x
  2. Step 2: Convert to fraction form
    187,820,930.80/259,154,071.16 = 108,434,616.62/x
  3. Step 3: Cross multiply
    187,820,930.80x = 259,154,071.16 × 108,434,616.62
  4. Step 4: Simplify right side
    187,820,930.80x = 28,101,272,352,706,600
  5. Step 5: Solve for x
    x = 28,101,272,352,706,600/187,820,930.80
  6. Step 6: Final answer
    x = 149,617,362.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.