Home / 121,788,197.96-182,673,110.30-38,786,596.20

Finding the Fourth Proportional to 121,788,197.96, 182,673,110.30 and 38,786,596.20

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Solution

The fourth proportional to 121,788,197.96, 182,673,110.30 and 38,786,596.20 is: 58,176,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,788,197.96 : 182,673,110.30 = 38,786,596.20 : x
  2. Step 2: Convert to fraction form
    121,788,197.96/182,673,110.30 = 38,786,596.20/x
  3. Step 3: Cross multiply
    121,788,197.96x = 182,673,110.30 × 38,786,596.20
  4. Step 4: Simplify right side
    121,788,197.96x = 7,085,268,165,610,228
  5. Step 5: Solve for x
    x = 7,085,268,165,610,228/121,788,197.96
  6. Step 6: Final answer
    x = 58,176,968.58

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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.