Home / 74,596,199.76-111,912,217.32-28,537,315.56

Finding the Fourth Proportional to 74,596,199.76, 111,912,217.32 and 28,537,315.56

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Solution

The fourth proportional to 74,596,199.76, 111,912,217.32 and 28,537,315.56 is: 42,812,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,596,199.76 : 111,912,217.32 = 28,537,315.56 : x
  2. Step 2: Convert to fraction form
    74,596,199.76/111,912,217.32 = 28,537,315.56/x
  3. Step 3: Cross multiply
    74,596,199.76x = 111,912,217.32 × 28,537,315.56
  4. Step 4: Simplify right side
    74,596,199.76x = 3,193,674,260,680,137
  5. Step 5: Solve for x
    x = 3,193,674,260,680,137/74,596,199.76
  6. Step 6: Final answer
    x = 42,812,827.88

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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.