Home / 100,874,700,655.95-139,207,716,459.76-55,149,074,591.32

Finding the Fourth Proportional to 100,874,700,655.95, 139,207,716,459.76 and 55,149,074,591.32

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Solution

The fourth proportional to 100,874,700,655.95, 139,207,716,459.76 and 55,149,074,591.32 is: 76,106,067,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,874,700,655.95 : 139,207,716,459.76 = 55,149,074,591.32 : x
  2. Step 2: Convert to fraction form
    100,874,700,655.95/139,207,716,459.76 = 55,149,074,591.32/x
  3. Step 3: Cross multiply
    100,874,700,655.95x = 139,207,716,459.76 × 55,149,074,591.32
  4. Step 4: Simplify right side
    100,874,700,655.95x = 7,677,176,738,725,934,137,344
  5. Step 5: Solve for x
    x = 7,677,176,738,725,934,137,344/100,874,700,655.95
  6. Step 6: Final answer
    x = 76,106,067,118.95

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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.