Home / 207,348,740.40-311,023,110.60-125,985,123.30

Finding the Fourth Proportional to 207,348,740.40, 311,023,110.60 and 125,985,123.30

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Solution

The fourth proportional to 207,348,740.40, 311,023,110.60 and 125,985,123.30 is: 188,977,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,348,740.40 : 311,023,110.60 = 125,985,123.30 : x
  2. Step 2: Convert to fraction form
    207,348,740.40/311,023,110.60 = 125,985,123.30/x
  3. Step 3: Cross multiply
    207,348,740.40x = 311,023,110.60 × 125,985,123.30
  4. Step 4: Simplify right side
    207,348,740.40x = 39,184,284,938,090,536
  5. Step 5: Solve for x
    x = 39,184,284,938,090,536/207,348,740.40
  6. Step 6: Final answer
    x = 188,977,684.95

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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.