Home / 260,592,785.89-390,888,848.66-66,504,205.37

Finding the Fourth Proportional to 260,592,785.89, 390,888,848.66 and 66,504,205.37

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Solution

The fourth proportional to 260,592,785.89, 390,888,848.66 and 66,504,205.37 is: 99,756,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,592,785.89 : 390,888,848.66 = 66,504,205.37 : x
  2. Step 2: Convert to fraction form
    260,592,785.89/390,888,848.66 = 66,504,205.37/x
  3. Step 3: Cross multiply
    260,592,785.89x = 390,888,848.66 × 66,504,205.37
  4. Step 4: Simplify right side
    260,592,785.89x = 25,995,752,268,772,188
  5. Step 5: Solve for x
    x = 25,995,752,268,772,188/260,592,785.89
  6. Step 6: Final answer
    x = 99,756,223.80

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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.