Home / 260,592,984.27-390,889,145.88-66,504,403.80

Finding the Fourth Proportional to 260,592,984.27, 390,889,145.88 and 66,504,403.80

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Solution

The fourth proportional to 260,592,984.27, 390,889,145.88 and 66,504,403.80 is: 99,756,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,592,984.27 : 390,889,145.88 = 66,504,403.80 : x
  2. Step 2: Convert to fraction form
    260,592,984.27/390,889,145.88 = 66,504,403.80/x
  3. Step 3: Cross multiply
    260,592,984.27x = 390,889,145.88 × 66,504,403.80
  4. Step 4: Simplify right side
    260,592,984.27x = 25,995,849,598,640,624
  5. Step 5: Solve for x
    x = 25,995,849,598,640,624/260,592,984.27
  6. Step 6: Final answer
    x = 99,756,521.35

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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.