Home / 143,804,597.40-215,706,896.10-99,801,282.60

Finding the Fourth Proportional to 143,804,597.40, 215,706,896.10 and 99,801,282.60

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Solution

The fourth proportional to 143,804,597.40, 215,706,896.10 and 99,801,282.60 is: 149,701,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,597.40 : 215,706,896.10 = 99,801,282.60 : x
  2. Step 2: Convert to fraction form
    143,804,597.40/215,706,896.10 = 99,801,282.60/x
  3. Step 3: Cross multiply
    143,804,597.40x = 215,706,896.10 × 99,801,282.60
  4. Step 4: Simplify right side
    143,804,597.40x = 21,527,824,896,444,936
  5. Step 5: Solve for x
    x = 21,527,824,896,444,936/143,804,597.40
  6. Step 6: Final answer
    x = 149,701,923.90

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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.