Home / 260,802,145.60-391,203,218.40-117,474,913.60

Finding the Fourth Proportional to 260,802,145.60, 391,203,218.40 and 117,474,913.60

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Solution

The fourth proportional to 260,802,145.60, 391,203,218.40 and 117,474,913.60 is: 176,212,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,802,145.60 : 391,203,218.40 = 117,474,913.60 : x
  2. Step 2: Convert to fraction form
    260,802,145.60/391,203,218.40 = 117,474,913.60/x
  3. Step 3: Cross multiply
    260,802,145.60x = 391,203,218.40 × 117,474,913.60
  4. Step 4: Simplify right side
    260,802,145.60x = 45,956,564,281,581,928
  5. Step 5: Solve for x
    x = 45,956,564,281,581,928/260,802,145.60
  6. Step 6: Final answer
    x = 176,212,370.40

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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.