Home / 69,960,906.95-104,937,576.23-21,438,901.60

Finding the Fourth Proportional to 69,960,906.95, 104,937,576.23 and 21,438,901.60

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Solution

The fourth proportional to 69,960,906.95, 104,937,576.23 and 21,438,901.60 is: 32,157,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960,906.95 : 104,937,576.23 = 21,438,901.60 : x
  2. Step 2: Convert to fraction form
    69,960,906.95/104,937,576.23 = 21,438,901.60/x
  3. Step 3: Cross multiply
    69,960,906.95x = 104,937,576.23 × 21,438,901.60
  4. Step 4: Simplify right side
    69,960,906.95x = 2,249,746,370,728,722.25
  5. Step 5: Solve for x
    x = 2,249,746,370,728,722.25/69,960,906.95
  6. Step 6: Final answer
    x = 32,157,192.76

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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.