Home / 140,004,084.80-210,006,127.20-127,239,003.20

Finding the Fourth Proportional to 140,004,084.80, 210,006,127.20 and 127,239,003.20

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Solution

The fourth proportional to 140,004,084.80, 210,006,127.20 and 127,239,003.20 is: 190,858,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004,084.80 : 210,006,127.20 = 127,239,003.20 : x
  2. Step 2: Convert to fraction form
    140,004,084.80/210,006,127.20 = 127,239,003.20/x
  3. Step 3: Cross multiply
    140,004,084.80x = 210,006,127.20 × 127,239,003.20
  4. Step 4: Simplify right side
    140,004,084.80x = 26,720,970,290,820,408
  5. Step 5: Solve for x
    x = 26,720,970,290,820,408/140,004,084.80
  6. Step 6: Final answer
    x = 190,858,504.80

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1.5x scale

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.