Home / 260,592,951.52-390,889,096.80-66,504,371.01

Finding the Fourth Proportional to 260,592,951.52, 390,889,096.80 and 66,504,371.01

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Solution

The fourth proportional to 260,592,951.52, 390,889,096.80 and 66,504,371.01 is: 99,756,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,592,951.52 : 390,889,096.80 = 66,504,371.01 : x
  2. Step 2: Convert to fraction form
    260,592,951.52/390,889,096.80 = 66,504,371.01/x
  3. Step 3: Cross multiply
    260,592,951.52x = 390,889,096.80 × 66,504,371.01
  4. Step 4: Simplify right side
    260,592,951.52x = 25,995,833,517,351,004
  5. Step 5: Solve for x
    x = 25,995,833,517,351,004/260,592,951.52
  6. Step 6: Final answer
    x = 99,756,472.18

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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.