Home / 74,327,212.80-111,490,819.20-73,051,754.40

Finding the Fourth Proportional to 74,327,212.80, 111,490,819.20 and 73,051,754.40

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Solution

The fourth proportional to 74,327,212.80, 111,490,819.20 and 73,051,754.40 is: 109,577,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,327,212.80 : 111,490,819.20 = 73,051,754.40 : x
  2. Step 2: Convert to fraction form
    74,327,212.80/111,490,819.20 = 73,051,754.40/x
  3. Step 3: Cross multiply
    74,327,212.80x = 111,490,819.20 × 73,051,754.40
  4. Step 4: Simplify right side
    74,327,212.80x = 8,144,599,942,053,205
  5. Step 5: Solve for x
    x = 8,144,599,942,053,205/74,327,212.80
  6. Step 6: Final answer
    x = 109,577,631.60

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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.