Home / 238,687,878.35-358,031,916.79-107,376,777.67

Finding the Fourth Proportional to 238,687,878.35, 358,031,916.79 and 107,376,777.67

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Solution

The fourth proportional to 238,687,878.35, 358,031,916.79 and 107,376,777.67 is: 161,065,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,687,878.35 : 358,031,916.79 = 107,376,777.67 : x
  2. Step 2: Convert to fraction form
    238,687,878.35/358,031,916.79 = 107,376,777.67/x
  3. Step 3: Cross multiply
    238,687,878.35x = 358,031,916.79 × 107,376,777.67
  4. Step 4: Simplify right side
    238,687,878.35x = 38,444,313,526,760,256
  5. Step 5: Solve for x
    x = 38,444,313,526,760,256/238,687,878.35
  6. Step 6: Final answer
    x = 161,065,211.16

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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.