Home / 71,866,031.80-107,799,047.70-26,421,921.40

Finding the Fourth Proportional to 71,866,031.80, 107,799,047.70 and 26,421,921.40

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Solution

The fourth proportional to 71,866,031.80, 107,799,047.70 and 26,421,921.40 is: 39,632,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,866,031.80 : 107,799,047.70 = 26,421,921.40 : x
  2. Step 2: Convert to fraction form
    71,866,031.80/107,799,047.70 = 26,421,921.40/x
  3. Step 3: Cross multiply
    71,866,031.80x = 107,799,047.70 × 26,421,921.40
  4. Step 4: Simplify right side
    71,866,031.80x = 2,848,257,965,324,250.50
  5. Step 5: Solve for x
    x = 2,848,257,965,324,250.50/71,866,031.80
  6. Step 6: Final answer
    x = 39,632,882.10

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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.