Home / 265,666,942.67-398,503,957.01-93,148,793.78

Finding the Fourth Proportional to 265,666,942.67, 398,503,957.01 and 93,148,793.78

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Solution

The fourth proportional to 265,666,942.67, 398,503,957.01 and 93,148,793.78 is: 139,724,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,666,942.67 : 398,503,957.01 = 93,148,793.78 : x
  2. Step 2: Convert to fraction form
    265,666,942.67/398,503,957.01 = 93,148,793.78/x
  3. Step 3: Cross multiply
    265,666,942.67x = 398,503,957.01 × 93,148,793.78
  4. Step 4: Simplify right side
    265,666,942.67x = 37,120,162,909,580,216
  5. Step 5: Solve for x
    x = 37,120,162,909,580,216/265,666,942.67
  6. Step 6: Final answer
    x = 139,724,432.92

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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.