Home / 71,269,872.82-98,352,424.50-38,674,824.82

Finding the Fourth Proportional to 71,269,872.82, 98,352,424.50 and 38,674,824.82

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Solution

The fourth proportional to 71,269,872.82, 98,352,424.50 and 38,674,824.82 is: 53,371,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269,872.82 : 98,352,424.50 = 38,674,824.82 : x
  2. Step 2: Convert to fraction form
    71,269,872.82/98,352,424.50 = 38,674,824.82/x
  3. Step 3: Cross multiply
    71,269,872.82x = 98,352,424.50 × 38,674,824.82
  4. Step 4: Simplify right side
    71,269,872.82x = 3,803,762,788,159,776
  5. Step 5: Solve for x
    x = 3,803,762,788,159,776/71,269,872.82
  6. Step 6: Final answer
    x = 53,371,258.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.