Home / 315,508,195.47-473,271,934.66-108,243,698.76

Finding the Fourth Proportional to 315,508,195.47, 473,271,934.66 and 108,243,698.76

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Solution

The fourth proportional to 315,508,195.47, 473,271,934.66 and 108,243,698.76 is: 162,368,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,508,195.47 : 473,271,934.66 = 108,243,698.76 : x
  2. Step 2: Convert to fraction form
    315,508,195.47/473,271,934.66 = 108,243,698.76/x
  3. Step 3: Cross multiply
    315,508,195.47x = 473,271,934.66 × 108,243,698.76
  4. Step 4: Simplify right side
    315,508,195.47x = 51,228,704,726,628,840
  5. Step 5: Solve for x
    x = 51,228,704,726,628,840/315,508,195.47
  6. Step 6: Final answer
    x = 162,368,855.90

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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.