Home / 91,088,677.80-136,633,016.70-82,302,186.60

Finding the Fourth Proportional to 91,088,677.80, 136,633,016.70 and 82,302,186.60

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Solution

The fourth proportional to 91,088,677.80, 136,633,016.70 and 82,302,186.60 is: 123,453,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,088,677.80 : 136,633,016.70 = 82,302,186.60 : x
  2. Step 2: Convert to fraction form
    91,088,677.80/136,633,016.70 = 82,302,186.60/x
  3. Step 3: Cross multiply
    91,088,677.80x = 136,633,016.70 × 82,302,186.60
  4. Step 4: Simplify right side
    91,088,677.80x = 11,245,196,036,164,314
  5. Step 5: Solve for x
    x = 11,245,196,036,164,314/91,088,677.80
  6. Step 6: Final answer
    x = 123,453,279.90

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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.