Home / 139,968,138.10-209,952,207.15-134,299,434.10

Finding the Fourth Proportional to 139,968,138.10, 209,952,207.15 and 134,299,434.10

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Solution

The fourth proportional to 139,968,138.10, 209,952,207.15 and 134,299,434.10 is: 201,449,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,138.10 : 209,952,207.15 = 134,299,434.10 : x
  2. Step 2: Convert to fraction form
    139,968,138.10/209,952,207.15 = 134,299,434.10/x
  3. Step 3: Cross multiply
    139,968,138.10x = 209,952,207.15 × 134,299,434.10
  4. Step 4: Simplify right side
    139,968,138.10x = 28,196,462,608,290,972
  5. Step 5: Solve for x
    x = 28,196,462,608,290,972/139,968,138.10
  6. Step 6: Final answer
    x = 201,449,151.15

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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.