Home / 83,827,286.40-125,740,929.60-79,859,193.60

Finding the Fourth Proportional to 83,827,286.40, 125,740,929.60 and 79,859,193.60

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Solution

The fourth proportional to 83,827,286.40, 125,740,929.60 and 79,859,193.60 is: 119,788,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827,286.40 : 125,740,929.60 = 79,859,193.60 : x
  2. Step 2: Convert to fraction form
    83,827,286.40/125,740,929.60 = 79,859,193.60/x
  3. Step 3: Cross multiply
    83,827,286.40x = 125,740,929.60 × 79,859,193.60
  4. Step 4: Simplify right side
    83,827,286.40x = 10,041,569,240,370,370
  5. Step 5: Solve for x
    x = 10,041,569,240,370,370/83,827,286.40
  6. Step 6: Final answer
    x = 119,788,790.40

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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.