Home / 260,594,140.05-390,890,987.73-66,505,539.69

Finding the Fourth Proportional to 260,594,140.05, 390,890,987.73 and 66,505,539.69

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Solution

The fourth proportional to 260,594,140.05, 390,890,987.73 and 66,505,539.69 is: 99,758,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,594,140.05 : 390,890,987.73 = 66,505,539.69 : x
  2. Step 2: Convert to fraction form
    260,594,140.05/390,890,987.73 = 66,505,539.69/x
  3. Step 3: Cross multiply
    260,594,140.05x = 390,890,987.73 × 66,505,539.69
  4. Step 4: Simplify right side
    260,594,140.05x = 25,996,416,098,940,820
  5. Step 5: Solve for x
    x = 25,996,416,098,940,820/260,594,140.05
  6. Step 6: Final answer
    x = 99,758,252.79

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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.