Home / 100,874,700,655.45-139,207,716,459.07-55,149,074,590.82

Finding the Fourth Proportional to 100,874,700,655.45, 139,207,716,459.07 and 55,149,074,590.82

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Solution

The fourth proportional to 100,874,700,655.45, 139,207,716,459.07 and 55,149,074,590.82 is: 76,106,067,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,874,700,655.45 : 139,207,716,459.07 = 55,149,074,590.82 : x
  2. Step 2: Convert to fraction form
    100,874,700,655.45/139,207,716,459.07 = 55,149,074,590.82/x
  3. Step 3: Cross multiply
    100,874,700,655.45x = 139,207,716,459.07 × 55,149,074,590.82
  4. Step 4: Simplify right side
    100,874,700,655.45x = 7,677,176,738,618,276,839,424
  5. Step 5: Solve for x
    x = 7,677,176,738,618,276,839,424/100,874,700,655.45
  6. Step 6: Final answer
    x = 76,106,067,118.26

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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.