Home / 66,400,666.80-99,601,000.20-52,530,056.70

Finding the Fourth Proportional to 66,400,666.80, 99,601,000.20 and 52,530,056.70

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Solution

The fourth proportional to 66,400,666.80, 99,601,000.20 and 52,530,056.70 is: 78,795,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400,666.80 : 99,601,000.20 = 52,530,056.70 : x
  2. Step 2: Convert to fraction form
    66,400,666.80/99,601,000.20 = 52,530,056.70/x
  3. Step 3: Cross multiply
    66,400,666.80x = 99,601,000.20 × 52,530,056.70
  4. Step 4: Simplify right side
    66,400,666.80x = 5,232,046,187,882,712
  5. Step 5: Solve for x
    x = 5,232,046,187,882,712/66,400,666.80
  6. Step 6: Final answer
    x = 78,795,085.05

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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.