Home / 69,532,845.80-104,257,796.70-42,625,812.20

Finding the Fourth Proportional to 69,532,845.80, 104,257,796.70 and 42,625,812.20

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Solution

The fourth proportional to 69,532,845.80, 104,257,796.70 and 42,625,812.20 is: 63,913,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,532,845.80 : 104,257,796.70 = 42,625,812.20 : x
  2. Step 2: Convert to fraction form
    69,532,845.80/104,257,796.70 = 42,625,812.20/x
  3. Step 3: Cross multiply
    69,532,845.80x = 104,257,796.70 × 42,625,812.20
  4. Step 4: Simplify right side
    69,532,845.80x = 4,444,073,262,519,980
  5. Step 5: Solve for x
    x = 4,444,073,262,519,980/69,532,845.80
  6. Step 6: Final answer
    x = 63,913,294.67

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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.