Home / 265,904,557.11-398,856,463.88-147,804,391.98

Finding the Fourth Proportional to 265,904,557.11, 398,856,463.88 and 147,804,391.98

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Solution

The fourth proportional to 265,904,557.11, 398,856,463.88 and 147,804,391.98 is: 221,706,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,904,557.11 : 398,856,463.88 = 147,804,391.98 : x
  2. Step 2: Convert to fraction form
    265,904,557.11/398,856,463.88 = 147,804,391.98/x
  3. Step 3: Cross multiply
    265,904,557.11x = 398,856,463.88 × 147,804,391.98
  4. Step 4: Simplify right side
    265,904,557.11x = 58,952,737,130,337,208
  5. Step 5: Solve for x
    x = 58,952,737,130,337,208/265,904,557.11
  6. Step 6: Final answer
    x = 221,706,381.31

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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.