Home / 216,154,540.85-324,251,743.26-70,588,865.15

Finding the Fourth Proportional to 216,154,540.85, 324,251,743.26 and 70,588,865.15

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Solution

The fourth proportional to 216,154,540.85, 324,251,743.26 and 70,588,865.15 is: 105,889,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,154,540.85 : 324,251,743.26 = 70,588,865.15 : x
  2. Step 2: Convert to fraction form
    216,154,540.85/324,251,743.26 = 70,588,865.15/x
  3. Step 3: Cross multiply
    216,154,540.85x = 324,251,743.26 × 70,588,865.15
  4. Step 4: Simplify right side
    216,154,540.85x = 22,888,562,578,011,300
  5. Step 5: Solve for x
    x = 22,888,562,578,011,300/216,154,540.85
  6. Step 6: Final answer
    x = 105,889,806.84

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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.