Home / 99,640,846.65-149,461,269.98-54,291,214.65

Finding the Fourth Proportional to 99,640,846.65, 149,461,269.98 and 54,291,214.65

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Solution

The fourth proportional to 99,640,846.65, 149,461,269.98 and 54,291,214.65 is: 81,436,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,640,846.65 : 149,461,269.98 = 54,291,214.65 : x
  2. Step 2: Convert to fraction form
    99,640,846.65/149,461,269.98 = 54,291,214.65/x
  3. Step 3: Cross multiply
    99,640,846.65x = 149,461,269.98 × 54,291,214.65
  4. Step 4: Simplify right side
    99,640,846.65x = 8,114,433,890,074,325
  5. Step 5: Solve for x
    x = 8,114,433,890,074,325/99,640,846.65
  6. Step 6: Final answer
    x = 81,436,821.98

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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.