Home / 140,412,624,574.72-210,656,937,394.07-100,126,372,137.32

Finding the Fourth Proportional to 140,412,624,574.72, 210,656,937,394.07 and 100,126,372,137.32

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Solution

The fourth proportional to 140,412,624,574.72, 210,656,937,394.07 and 100,126,372,137.32 is: 150,216,655,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,412,624,574.72 : 210,656,937,394.07 = 100,126,372,137.32 : x
  2. Step 2: Convert to fraction form
    140,412,624,574.72/210,656,937,394.07 = 100,126,372,137.32/x
  3. Step 3: Cross multiply
    140,412,624,574.72x = 210,656,937,394.07 × 100,126,372,137.32
  4. Step 4: Simplify right side
    140,412,624,574.72x = 21,092,314,906,826,777,821,184
  5. Step 5: Solve for x
    x = 21,092,314,906,826,777,821,184/140,412,624,574.72
  6. Step 6: Final answer
    x = 150,216,655,879.13

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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.