Home / 217,030,401.40-325,540,353.30-130,703,387.80

Finding the Fourth Proportional to 217,030,401.40, 325,540,353.30 and 130,703,387.80

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Solution

The fourth proportional to 217,030,401.40, 325,540,353.30 and 130,703,387.80 is: 196,051,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,030,401.40 : 325,540,353.30 = 130,703,387.80 : x
  2. Step 2: Convert to fraction form
    217,030,401.40/325,540,353.30 = 130,703,387.80/x
  3. Step 3: Cross multiply
    217,030,401.40x = 325,540,353.30 × 130,703,387.80
  4. Step 4: Simplify right side
    217,030,401.40x = 42,549,227,041,918,912
  5. Step 5: Solve for x
    x = 42,549,227,041,918,912/217,030,401.40
  6. Step 6: Final answer
    x = 196,051,920.69

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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.