Home / 90,804,554.40-136,206,831.60-60,413,872.80

Finding the Fourth Proportional to 90,804,554.40, 136,206,831.60 and 60,413,872.80

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Solution

The fourth proportional to 90,804,554.40, 136,206,831.60 and 60,413,872.80 is: 90,620,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,554.40 : 136,206,831.60 = 60,413,872.80 : x
  2. Step 2: Convert to fraction form
    90,804,554.40/136,206,831.60 = 60,413,872.80/x
  3. Step 3: Cross multiply
    90,804,554.40x = 136,206,831.60 × 60,413,872.80
  4. Step 4: Simplify right side
    90,804,554.40x = 8,228,782,198,773,420
  5. Step 5: Solve for x
    x = 8,228,782,198,773,420/90,804,554.40
  6. Step 6: Final answer
    x = 90,620,809.20

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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.