Home / 143,804,533.15-215,706,799.73-99,801,218.35

Finding the Fourth Proportional to 143,804,533.15, 215,706,799.73 and 99,801,218.35

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Solution

The fourth proportional to 143,804,533.15, 215,706,799.73 and 99,801,218.35 is: 149,701,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,533.15 : 215,706,799.73 = 99,801,218.35 : x
  2. Step 2: Convert to fraction form
    143,804,533.15/215,706,799.73 = 99,801,218.35/x
  3. Step 3: Cross multiply
    143,804,533.15x = 215,706,799.73 × 99,801,218.35
  4. Step 4: Simplify right side
    143,804,533.15x = 21,527,801,419,433,448
  5. Step 5: Solve for x
    x = 21,527,801,419,433,448/143,804,533.15
  6. Step 6: Final answer
    x = 149,701,827.53

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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.