Home / 208,819,497.60-313,229,246.40-72,490,665.60

Finding the Fourth Proportional to 208,819,497.60, 313,229,246.40 and 72,490,665.60

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Solution

The fourth proportional to 208,819,497.60, 313,229,246.40 and 72,490,665.60 is: 108,735,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,819,497.60 : 313,229,246.40 = 72,490,665.60 : x
  2. Step 2: Convert to fraction form
    208,819,497.60/313,229,246.40 = 72,490,665.60/x
  3. Step 3: Cross multiply
    208,819,497.60x = 313,229,246.40 × 72,490,665.60
  4. Step 4: Simplify right side
    208,819,497.60x = 22,706,196,556,922,400
  5. Step 5: Solve for x
    x = 22,706,196,556,922,400/208,819,497.60
  6. Step 6: Final answer
    x = 108,735,998.40

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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.