Home / 328,761,011.16-493,164,527.39-132,024,394.68

Finding the Fourth Proportional to 328,761,011.16, 493,164,527.39 and 132,024,394.68

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Solution

The fourth proportional to 328,761,011.16, 493,164,527.39 and 132,024,394.68 is: 198,045,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,761,011.16 : 493,164,527.39 = 132,024,394.68 : x
  2. Step 2: Convert to fraction form
    328,761,011.16/493,164,527.39 = 132,024,394.68/x
  3. Step 3: Cross multiply
    328,761,011.16x = 493,164,527.39 × 132,024,394.68
  4. Step 4: Simplify right side
    328,761,011.16x = 65,109,748,204,297,312
  5. Step 5: Solve for x
    x = 65,109,748,204,297,312/328,761,011.16
  6. Step 6: Final answer
    x = 198,045,832.67

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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.