Home / 66,580,268.72-99,782,715.18-28,194,285.20

Finding the Fourth Proportional to 66,580,268.72, 99,782,715.18 and 28,194,285.20

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Solution

The fourth proportional to 66,580,268.72, 99,782,715.18 and 28,194,285.20 is: 42,254,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,580,268.72 : 99,782,715.18 = 28,194,285.20 : x
  2. Step 2: Convert to fraction form
    66,580,268.72/99,782,715.18 = 28,194,285.20/x
  3. Step 3: Cross multiply
    66,580,268.72x = 99,782,715.18 × 28,194,285.20
  4. Step 4: Simplify right side
    66,580,268.72x = 2,813,302,329,815,289.50
  5. Step 5: Solve for x
    x = 2,813,302,329,815,289.50/66,580,268.72
  6. Step 6: Final answer
    x = 42,254,295.21

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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.