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Finding the Fourth Proportional to 99,679,960.80, 149,586,814.80 and 34,983,640.80

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Solution

The fourth proportional to 99,679,960.80, 149,586,814.80 and 34,983,640.80 is: 52,498,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,679,960.80 : 149,586,814.80 = 34,983,640.80 : x
  2. Step 2: Convert to fraction form
    99,679,960.80/149,586,814.80 = 34,983,640.80/x
  3. Step 3: Cross multiply
    99,679,960.80x = 149,586,814.80 × 34,983,640.80
  4. Step 4: Simplify right side
    99,679,960.80x = 5,233,091,397,379,324
  5. Step 5: Solve for x
    x = 5,233,091,397,379,324/99,679,960.80
  6. Step 6: Final answer
    x = 52,498,931.13

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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.