Home / 139,968,489.60-209,952,734.40-134,299,785.60

Finding the Fourth Proportional to 139,968,489.60, 209,952,734.40 and 134,299,785.60

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Solution

The fourth proportional to 139,968,489.60, 209,952,734.40 and 134,299,785.60 is: 201,449,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,489.60 : 209,952,734.40 = 134,299,785.60 : x
  2. Step 2: Convert to fraction form
    139,968,489.60/209,952,734.40 = 134,299,785.60/x
  3. Step 3: Cross multiply
    139,968,489.60x = 209,952,734.40 × 134,299,785.60
  4. Step 4: Simplify right side
    139,968,489.60x = 28,196,607,216,053,744
  5. Step 5: Solve for x
    x = 28,196,607,216,053,744/139,968,489.60
  6. Step 6: Final answer
    x = 201,449,678.40

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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.