Home / 139,969,172.20-209,953,758.30-96,747,053.80

Finding the Fourth Proportional to 139,969,172.20, 209,953,758.30 and 96,747,053.80

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Solution

The fourth proportional to 139,969,172.20, 209,953,758.30 and 96,747,053.80 is: 145,120,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,172.20 : 209,953,758.30 = 96,747,053.80 : x
  2. Step 2: Convert to fraction form
    139,969,172.20/209,953,758.30 = 96,747,053.80/x
  3. Step 3: Cross multiply
    139,969,172.20x = 209,953,758.30 × 96,747,053.80
  4. Step 4: Simplify right side
    139,969,172.20x = 20,312,407,549,762,296
  5. Step 5: Solve for x
    x = 20,312,407,549,762,296/139,969,172.20
  6. Step 6: Final answer
    x = 145,120,580.70

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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.