Home / 91,088,743.30-136,633,114.95-82,302,252.10

Finding the Fourth Proportional to 91,088,743.30, 136,633,114.95 and 82,302,252.10

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Solution

The fourth proportional to 91,088,743.30, 136,633,114.95 and 82,302,252.10 is: 123,453,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,088,743.30 : 136,633,114.95 = 82,302,252.10 : x
  2. Step 2: Convert to fraction form
    91,088,743.30/136,633,114.95 = 82,302,252.10/x
  3. Step 3: Cross multiply
    91,088,743.30x = 136,633,114.95 × 82,302,252.10
  4. Step 4: Simplify right side
    91,088,743.30x = 11,245,213,071,823,178
  5. Step 5: Solve for x
    x = 11,245,213,071,823,178/91,088,743.30
  6. Step 6: Final answer
    x = 123,453,378.15

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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.