Home / 90,989,006.76-136,537,441.56-33,521,601.42

Finding the Fourth Proportional to 90,989,006.76, 136,537,441.56 and 33,521,601.42

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Solution

The fourth proportional to 90,989,006.76, 136,537,441.56 and 33,521,601.42 is: 50,302,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,989,006.76 : 136,537,441.56 = 33,521,601.42 : x
  2. Step 2: Convert to fraction form
    90,989,006.76/136,537,441.56 = 33,521,601.42/x
  3. Step 3: Cross multiply
    90,989,006.76x = 136,537,441.56 × 33,521,601.42
  4. Step 4: Simplify right side
    90,989,006.76x = 4,576,953,694,880,863
  5. Step 5: Solve for x
    x = 4,576,953,694,880,863/90,989,006.76
  6. Step 6: Final answer
    x = 50,302,271.21

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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.