Home / 143,804,586.53-215,706,879.80-99,801,271.73

Finding the Fourth Proportional to 143,804,586.53, 215,706,879.80 and 99,801,271.73

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Solution

The fourth proportional to 143,804,586.53, 215,706,879.80 and 99,801,271.73 is: 149,701,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,586.53 : 215,706,879.80 = 99,801,271.73 : x
  2. Step 2: Convert to fraction form
    143,804,586.53/215,706,879.80 = 99,801,271.73/x
  3. Step 3: Cross multiply
    143,804,586.53x = 215,706,879.80 × 99,801,271.73
  4. Step 4: Simplify right side
    143,804,586.53x = 21,527,820,924,950,252
  5. Step 5: Solve for x
    x = 21,527,820,924,950,252/143,804,586.53
  6. Step 6: Final answer
    x = 149,701,907.60

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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.