Home / 148,504,765.89-204,932,417.81-81,523,713.45

Finding the Fourth Proportional to 148,504,765.89, 204,932,417.81 and 81,523,713.45

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Solution

The fourth proportional to 148,504,765.89, 204,932,417.81 and 81,523,713.45 is: 112,500,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,504,765.89 : 204,932,417.81 = 81,523,713.45 : x
  2. Step 2: Convert to fraction form
    148,504,765.89/204,932,417.81 = 81,523,713.45/x
  3. Step 3: Cross multiply
    148,504,765.89x = 204,932,417.81 × 81,523,713.45
  4. Step 4: Simplify right side
    148,504,765.89x = 16,706,851,705,750,500
  5. Step 5: Solve for x
    x = 16,706,851,705,750,500/148,504,765.89
  6. Step 6: Final answer
    x = 112,500,441.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.