Home / 140,020,490.80-210,029,046.67-36,380,525.46

Finding the Fourth Proportional to 140,020,490.80, 210,029,046.67 and 36,380,525.46

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Solution

The fourth proportional to 140,020,490.80, 210,029,046.67 and 36,380,525.46 is: 54,570,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,490.80 : 210,029,046.67 = 36,380,525.46 : x
  2. Step 2: Convert to fraction form
    140,020,490.80/210,029,046.67 = 36,380,525.46/x
  3. Step 3: Cross multiply
    140,020,490.80x = 210,029,046.67 × 36,380,525.46
  4. Step 4: Simplify right side
    140,020,490.80x = 7,640,967,079,717,463
  5. Step 5: Solve for x
    x = 7,640,967,079,717,463/140,020,490.80
  6. Step 6: Final answer
    x = 54,570,349.21

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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.