Home / 66,438,632.80-99,657,949.20-30,606,824.80

Finding the Fourth Proportional to 66,438,632.80, 99,657,949.20 and 30,606,824.80

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Solution

The fourth proportional to 66,438,632.80, 99,657,949.20 and 30,606,824.80 is: 45,910,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,632.80 : 99,657,949.20 = 30,606,824.80 : x
  2. Step 2: Convert to fraction form
    66,438,632.80/99,657,949.20 = 30,606,824.80/x
  3. Step 3: Cross multiply
    66,438,632.80x = 99,657,949.20 × 30,606,824.80
  4. Step 4: Simplify right side
    66,438,632.80x = 3,050,213,391,091,700.50
  5. Step 5: Solve for x
    x = 3,050,213,391,091,700.50/66,438,632.80
  6. Step 6: Final answer
    x = 45,910,237.20

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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.