Home / 275,130,366.80-379,681,557.31-149,683,462.61

Finding the Fourth Proportional to 275,130,366.80, 379,681,557.31 and 149,683,462.61

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Solution

The fourth proportional to 275,130,366.80, 379,681,557.31 and 149,683,462.61 is: 206,564,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,130,366.80 : 379,681,557.31 = 149,683,462.61 : x
  2. Step 2: Convert to fraction form
    275,130,366.80/379,681,557.31 = 149,683,462.61/x
  3. Step 3: Cross multiply
    275,130,366.80x = 379,681,557.31 × 149,683,462.61
  4. Step 4: Simplify right side
    275,130,366.80x = 56,832,050,187,317,960
  5. Step 5: Solve for x
    x = 56,832,050,187,317,960/275,130,366.80
  6. Step 6: Final answer
    x = 206,564,076.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.