Home / 207,597,255.80-311,183,307.30-121,291,237.40

Finding the Fourth Proportional to 207,597,255.80, 311,183,307.30 and 121,291,237.40

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Solution

The fourth proportional to 207,597,255.80, 311,183,307.30 and 121,291,237.40 is: 181,812,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,597,255.80 : 311,183,307.30 = 121,291,237.40 : x
  2. Step 2: Convert to fraction form
    207,597,255.80/311,183,307.30 = 121,291,237.40/x
  3. Step 3: Cross multiply
    207,597,255.80x = 311,183,307.30 × 121,291,237.40
  4. Step 4: Simplify right side
    207,597,255.80x = 37,743,808,400,641,456
  5. Step 5: Solve for x
    x = 37,743,808,400,641,456/207,597,255.80
  6. Step 6: Final answer
    x = 181,812,655.74

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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.