Home / 68,015,110.80-102,022,666.20-65,369,715.60

Finding the Fourth Proportional to 68,015,110.80, 102,022,666.20 and 65,369,715.60

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Solution

The fourth proportional to 68,015,110.80, 102,022,666.20 and 65,369,715.60 is: 98,054,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,015,110.80 : 102,022,666.20 = 65,369,715.60 : x
  2. Step 2: Convert to fraction form
    68,015,110.80/102,022,666.20 = 65,369,715.60/x
  3. Step 3: Cross multiply
    68,015,110.80x = 102,022,666.20 × 65,369,715.60
  4. Step 4: Simplify right side
    68,015,110.80x = 6,669,192,674,247,733
  5. Step 5: Solve for x
    x = 6,669,192,674,247,733/68,015,110.80
  6. Step 6: Final answer
    x = 98,054,573.40

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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.