Home / 260,099,590.72-390,099,658.56-130,671,336.64

Finding the Fourth Proportional to 260,099,590.72, 390,099,658.56 and 130,671,336.64

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Solution

The fourth proportional to 260,099,590.72, 390,099,658.56 and 130,671,336.64 is: 195,982,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,099,590.72 : 390,099,658.56 = 130,671,336.64 : x
  2. Step 2: Convert to fraction form
    260,099,590.72/390,099,658.56 = 130,671,336.64/x
  3. Step 3: Cross multiply
    260,099,590.72x = 390,099,658.56 × 130,671,336.64
  4. Step 4: Simplify right side
    260,099,590.72x = 50,974,843,806,842,816
  5. Step 5: Solve for x
    x = 50,974,843,806,842,816/260,099,590.72
  6. Step 6: Final answer
    x = 195,982,022.37

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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.