Home / 90,989,006.89-136,537,441.75-33,521,601.55

Finding the Fourth Proportional to 90,989,006.89, 136,537,441.75 and 33,521,601.55

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Solution

The fourth proportional to 90,989,006.89, 136,537,441.75 and 33,521,601.55 is: 50,302,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,989,006.89 : 136,537,441.75 = 33,521,601.55 : x
  2. Step 2: Convert to fraction form
    90,989,006.89/136,537,441.75 = 33,521,601.55/x
  3. Step 3: Cross multiply
    90,989,006.89x = 136,537,441.75 × 33,521,601.55
  4. Step 4: Simplify right side
    90,989,006.89x = 4,576,953,718,233,344
  5. Step 5: Solve for x
    x = 4,576,953,718,233,344/90,989,006.89
  6. Step 6: Final answer
    x = 50,302,271.39

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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.