Home / 99,647,627.44-137,510,608.08-58,421,977.60

Finding the Fourth Proportional to 99,647,627.44, 137,510,608.08 and 58,421,977.60

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Solution

The fourth proportional to 99,647,627.44, 137,510,608.08 and 58,421,977.60 is: 80,620,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,647,627.44 : 137,510,608.08 = 58,421,977.60 : x
  2. Step 2: Convert to fraction form
    99,647,627.44/137,510,608.08 = 58,421,977.60/x
  3. Step 3: Cross multiply
    99,647,627.44x = 137,510,608.08 × 58,421,977.60
  4. Step 4: Simplify right side
    99,647,627.44x = 8,033,641,665,012,140
  5. Step 5: Solve for x
    x = 8,033,641,665,012,140/99,647,627.44
  6. Step 6: Final answer
    x = 80,620,501.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.