Home / 261,469,528.31-392,256,012.50-74,725,146.72

Finding the Fourth Proportional to 261,469,528.31, 392,256,012.50 and 74,725,146.72

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Solution

The fourth proportional to 261,469,528.31, 392,256,012.50 and 74,725,146.72 is: 112,102,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,469,528.31 : 392,256,012.50 = 74,725,146.72 : x
  2. Step 2: Convert to fraction form
    261,469,528.31/392,256,012.50 = 74,725,146.72/x
  3. Step 3: Cross multiply
    261,469,528.31x = 392,256,012.50 × 74,725,146.72
  4. Step 4: Simplify right side
    261,469,528.31x = 29,311,388,085,864,652
  5. Step 5: Solve for x
    x = 29,311,388,085,864,652/261,469,528.31
  6. Step 6: Final answer
    x = 112,102,501.10

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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.