Home / 115,120,438,252.20-172,370,720,987.10-115,120,438,252.20

Finding the Fourth Proportional to 115,120,438,252.20, 172,370,720,987.10 and 115,120,438,252.20

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Solution

The fourth proportional to 115,120,438,252.20, 172,370,720,987.10 and 115,120,438,252.20 is: 172,370,720,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,120,438,252.20 : 172,370,720,987.10 = 115,120,438,252.20 : x
  2. Step 2: Convert to fraction form
    115,120,438,252.20/172,370,720,987.10 = 115,120,438,252.20/x
  3. Step 3: Cross multiply
    115,120,438,252.20x = 172,370,720,987.10 × 115,120,438,252.20
  4. Step 4: Simplify right side
    115,120,438,252.20x = 19,843,392,941,882,639,122,432
  5. Step 5: Solve for x
    x = 19,843,392,941,882,639,122,432/115,120,438,252.20
  6. Step 6: Final answer
    x = 172,370,720,987.10

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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.