Home / 145,613,234.40-218,419,851.60-69,085,730.40

Finding the Fourth Proportional to 145,613,234.40, 218,419,851.60 and 69,085,730.40

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Solution

The fourth proportional to 145,613,234.40, 218,419,851.60 and 69,085,730.40 is: 103,628,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,613,234.40 : 218,419,851.60 = 69,085,730.40 : x
  2. Step 2: Convert to fraction form
    145,613,234.40/218,419,851.60 = 69,085,730.40/x
  3. Step 3: Cross multiply
    145,613,234.40x = 218,419,851.60 × 69,085,730.40
  4. Step 4: Simplify right side
    145,613,234.40x = 15,089,694,981,645,610
  5. Step 5: Solve for x
    x = 15,089,694,981,645,610/145,613,234.40
  6. Step 6: Final answer
    x = 103,628,595.60

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1.5x scale

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.