Home / 143,804,552.78-215,706,829.17-99,801,237.98

Finding the Fourth Proportional to 143,804,552.78, 215,706,829.17 and 99,801,237.98

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Solution

The fourth proportional to 143,804,552.78, 215,706,829.17 and 99,801,237.98 is: 149,701,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,552.78 : 215,706,829.17 = 99,801,237.98 : x
  2. Step 2: Convert to fraction form
    143,804,552.78/215,706,829.17 = 99,801,237.98/x
  3. Step 3: Cross multiply
    143,804,552.78x = 215,706,829.17 × 99,801,237.98
  4. Step 4: Simplify right side
    143,804,552.78x = 21,527,808,590,827,840
  5. Step 5: Solve for x
    x = 21,527,808,590,827,840/143,804,552.78
  6. Step 6: Final answer
    x = 149,701,856.97

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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.