Home / 217,237,774.91-326,061,437.94-79,196,806.22

Finding the Fourth Proportional to 217,237,774.91, 326,061,437.94 and 79,196,806.22

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Solution

The fourth proportional to 217,237,774.91, 326,061,437.94 and 79,196,806.22 is: 118,869,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,237,774.91 : 326,061,437.94 = 79,196,806.22 : x
  2. Step 2: Convert to fraction form
    217,237,774.91/326,061,437.94 = 79,196,806.22/x
  3. Step 3: Cross multiply
    217,237,774.91x = 326,061,437.94 × 79,196,806.22
  4. Step 4: Simplify right side
    217,237,774.91x = 25,823,024,514,718,428
  5. Step 5: Solve for x
    x = 25,823,024,514,718,428/217,237,774.91
  6. Step 6: Final answer
    x = 118,869,862.88

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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.