Home / 238,687,882.35-358,031,922.79-107,376,781.67

Finding the Fourth Proportional to 238,687,882.35, 358,031,922.79 and 107,376,781.67

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Solution

The fourth proportional to 238,687,882.35, 358,031,922.79 and 107,376,781.67 is: 161,065,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,687,882.35 : 358,031,922.79 = 107,376,781.67 : x
  2. Step 2: Convert to fraction form
    238,687,882.35/358,031,922.79 = 107,376,781.67/x
  3. Step 3: Cross multiply
    238,687,882.35x = 358,031,922.79 × 107,376,781.67
  4. Step 4: Simplify right side
    238,687,882.35x = 38,444,315,604,312,128
  5. Step 5: Solve for x
    x = 38,444,315,604,312,128/238,687,882.35
  6. Step 6: Final answer
    x = 161,065,217.16

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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.