Home / 260,592,952.02-390,889,097.55-66,504,371.51

Finding the Fourth Proportional to 260,592,952.02, 390,889,097.55 and 66,504,371.51

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Solution

The fourth proportional to 260,592,952.02, 390,889,097.55 and 66,504,371.51 is: 99,756,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,592,952.02 : 390,889,097.55 = 66,504,371.51 : x
  2. Step 2: Convert to fraction form
    260,592,952.02/390,889,097.55 = 66,504,371.51/x
  3. Step 3: Cross multiply
    260,592,952.02x = 390,889,097.55 × 66,504,371.51
  4. Step 4: Simplify right side
    260,592,952.02x = 25,995,833,760,719,388
  5. Step 5: Solve for x
    x = 25,995,833,760,719,388/260,592,952.02
  6. Step 6: Final answer
    x = 99,756,472.92

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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.