Home / 66,048,468.80-99,072,703.20-40,220,436.20

Finding the Fourth Proportional to 66,048,468.80, 99,072,703.20 and 40,220,436.20

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Solution

The fourth proportional to 66,048,468.80, 99,072,703.20 and 40,220,436.20 is: 60,330,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048,468.80 : 99,072,703.20 = 40,220,436.20 : x
  2. Step 2: Convert to fraction form
    66,048,468.80/99,072,703.20 = 40,220,436.20/x
  3. Step 3: Cross multiply
    66,048,468.80x = 99,072,703.20 × 40,220,436.20
  4. Step 4: Simplify right side
    66,048,468.80x = 3,984,747,338,217,136.50
  5. Step 5: Solve for x
    x = 3,984,747,338,217,136.50/66,048,468.80
  6. Step 6: Final answer
    x = 60,330,654.30

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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.