Home / 172,498,400,439.66-238,006,980,653.13-100,197,510,835.50

Finding the Fourth Proportional to 172,498,400,439.66, 238,006,980,653.13 and 100,197,510,835.50

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Solution

The fourth proportional to 172,498,400,439.66, 238,006,980,653.13 and 100,197,510,835.50 is: 138,248,858,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,498,400,439.66 : 238,006,980,653.13 = 100,197,510,835.50 : x
  2. Step 2: Convert to fraction form
    172,498,400,439.66/238,006,980,653.13 = 100,197,510,835.50/x
  3. Step 3: Cross multiply
    172,498,400,439.66x = 238,006,980,653.13 × 100,197,510,835.50
  4. Step 4: Simplify right side
    172,498,400,439.66x = 23,847,707,022,916,633,755,648
  5. Step 5: Solve for x
    x = 23,847,707,022,916,633,755,648/172,498,400,439.66
  6. Step 6: Final answer
    x = 138,248,858,900.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.