Home / 68,680,018,583.68-103,019,899,295.04-21,520,102,783.36

Finding the Fourth Proportional to 68,680,018,583.68, 103,019,899,295.04 and 21,520,102,783.36

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Solution

The fourth proportional to 68,680,018,583.68, 103,019,899,295.04 and 21,520,102,783.36 is: 32,280,113,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680,018,583.68 : 103,019,899,295.04 = 21,520,102,783.36 : x
  2. Step 2: Convert to fraction form
    68,680,018,583.68/103,019,899,295.04 = 21,520,102,783.36/x
  3. Step 3: Cross multiply
    68,680,018,583.68x = 103,019,899,295.04 × 21,520,102,783.36
  4. Step 4: Simplify right side
    68,680,018,583.68x = 2,216,998,821,560,657,117,184
  5. Step 5: Solve for x
    x = 2,216,998,821,560,657,117,184/68,680,018,583.68
  6. Step 6: Final answer
    x = 32,280,113,885.81

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1.5x scale

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.