Home / 69,960,907.45-104,937,576.98-21,438,902.10

Finding the Fourth Proportional to 69,960,907.45, 104,937,576.98 and 21,438,902.10

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Solution

The fourth proportional to 69,960,907.45, 104,937,576.98 and 21,438,902.10 is: 32,157,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960,907.45 : 104,937,576.98 = 21,438,902.10 : x
  2. Step 2: Convert to fraction form
    69,960,907.45/104,937,576.98 = 21,438,902.10/x
  3. Step 3: Cross multiply
    69,960,907.45x = 104,937,576.98 × 21,438,902.10
  4. Step 4: Simplify right side
    69,960,907.45x = 2,249,746,439,485,434
  5. Step 5: Solve for x
    x = 2,249,746,439,485,434/69,960,907.45
  6. Step 6: Final answer
    x = 32,157,193.52

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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.