Home / 345,313,402.62-518,338,833.21-148,674,199.74

Finding the Fourth Proportional to 345,313,402.62, 518,338,833.21 and 148,674,199.74

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Solution

The fourth proportional to 345,313,402.62, 518,338,833.21 and 148,674,199.74 is: 223,170,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,313,402.62 : 518,338,833.21 = 148,674,199.74 : x
  2. Step 2: Convert to fraction form
    345,313,402.62/518,338,833.21 = 148,674,199.74/x
  3. Step 3: Cross multiply
    345,313,402.62x = 518,338,833.21 × 148,674,199.74
  4. Step 4: Simplify right side
    345,313,402.62x = 77,063,611,221,662,080
  5. Step 5: Solve for x
    x = 77,063,611,221,662,080/345,313,402.62
  6. Step 6: Final answer
    x = 223,170,055.48

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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.