Home / 66,014,572.20-99,021,858.30-41,780,862.60

Finding the Fourth Proportional to 66,014,572.20, 99,021,858.30 and 41,780,862.60

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Solution

The fourth proportional to 66,014,572.20, 99,021,858.30 and 41,780,862.60 is: 62,671,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014,572.20 : 99,021,858.30 = 41,780,862.60 : x
  2. Step 2: Convert to fraction form
    66,014,572.20/99,021,858.30 = 41,780,862.60/x
  3. Step 3: Cross multiply
    66,014,572.20x = 99,021,858.30 × 41,780,862.60
  4. Step 4: Simplify right side
    66,014,572.20x = 4,137,218,656,028,969.50
  5. Step 5: Solve for x
    x = 4,137,218,656,028,969.50/66,014,572.20
  6. Step 6: Final answer
    x = 62,671,293.90

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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.