Home / 139,969,266.30-209,953,899.45-134,867,432.70

Finding the Fourth Proportional to 139,969,266.30, 209,953,899.45 and 134,867,432.70

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Solution

The fourth proportional to 139,969,266.30, 209,953,899.45 and 134,867,432.70 is: 202,301,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,266.30 : 209,953,899.45 = 134,867,432.70 : x
  2. Step 2: Convert to fraction form
    139,969,266.30/209,953,899.45 = 134,867,432.70/x
  3. Step 3: Cross multiply
    139,969,266.30x = 209,953,899.45 × 134,867,432.70
  4. Step 4: Simplify right side
    139,969,266.30x = 28,315,943,404,175,436
  5. Step 5: Solve for x
    x = 28,315,943,404,175,436/139,969,266.30
  6. Step 6: Final answer
    x = 202,301,149.05

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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.