Home / 138,758,130,854.28-207,990,297,018.60-46,673,642,375.69

Finding the Fourth Proportional to 138,758,130,854.28, 207,990,297,018.60 and 46,673,642,375.69

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Solution

The fourth proportional to 138,758,130,854.28, 207,990,297,018.60 and 46,673,642,375.69 is: 69,961,051,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,758,130,854.28 : 207,990,297,018.60 = 46,673,642,375.69 : x
  2. Step 2: Convert to fraction form
    138,758,130,854.28/207,990,297,018.60 = 46,673,642,375.69/x
  3. Step 3: Cross multiply
    138,758,130,854.28x = 207,990,297,018.60 × 46,673,642,375.69
  4. Step 4: Simplify right side
    138,758,130,854.28x = 9,707,664,740,658,639,273,984
  5. Step 5: Solve for x
    x = 9,707,664,740,658,639,273,984/138,758,130,854.28
  6. Step 6: Final answer
    x = 69,961,051,513.83

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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.