Home / 293,216,272.16-439,611,160.60-137,689,938.96

Finding the Fourth Proportional to 293,216,272.16, 439,611,160.60 and 137,689,938.96

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Solution

The fourth proportional to 293,216,272.16, 439,611,160.60 and 137,689,938.96 is: 206,434,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,216,272.16 : 439,611,160.60 = 137,689,938.96 : x
  2. Step 2: Convert to fraction form
    293,216,272.16/439,611,160.60 = 137,689,938.96/x
  3. Step 3: Cross multiply
    293,216,272.16x = 439,611,160.60 × 137,689,938.96
  4. Step 4: Simplify right side
    293,216,272.16x = 60,530,033,868,116,608
  5. Step 5: Solve for x
    x = 60,530,033,868,116,608/293,216,272.16
  6. Step 6: Final answer
    x = 206,434,770.56

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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.