Home / 260,056,094.94-390,091,242.87-75,819,118.64

Finding the Fourth Proportional to 260,056,094.94, 390,091,242.87 and 75,819,118.64

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Solution

The fourth proportional to 260,056,094.94, 390,091,242.87 and 75,819,118.64 is: 113,730,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,056,094.94 : 390,091,242.87 = 75,819,118.64 : x
  2. Step 2: Convert to fraction form
    260,056,094.94/390,091,242.87 = 75,819,118.64/x
  3. Step 3: Cross multiply
    260,056,094.94x = 390,091,242.87 × 75,819,118.64
  4. Step 4: Simplify right side
    260,056,094.94x = 29,576,374,221,635,132
  5. Step 5: Solve for x
    x = 29,576,374,221,635,132/260,056,094.94
  6. Step 6: Final answer
    x = 113,730,748.09

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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.