Home / 100,874,700,656.95-139,207,716,461.14-55,149,074,592.32

Finding the Fourth Proportional to 100,874,700,656.95, 139,207,716,461.14 and 55,149,074,592.32

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Solution

The fourth proportional to 100,874,700,656.95, 139,207,716,461.14 and 55,149,074,592.32 is: 76,106,067,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,874,700,656.95 : 139,207,716,461.14 = 55,149,074,592.32 : x
  2. Step 2: Convert to fraction form
    100,874,700,656.95/139,207,716,461.14 = 55,149,074,592.32/x
  3. Step 3: Cross multiply
    100,874,700,656.95x = 139,207,716,461.14 × 55,149,074,592.32
  4. Step 4: Simplify right side
    100,874,700,656.95x = 7,677,176,738,941,942,890,496
  5. Step 5: Solve for x
    x = 7,677,176,738,941,942,890,496/100,874,700,656.95
  6. Step 6: Final answer
    x = 76,106,067,120.34

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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.