Home / 129,499,817.20-194,249,725.80-93,361,829.20

Finding the Fourth Proportional to 129,499,817.20, 194,249,725.80 and 93,361,829.20

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Solution

The fourth proportional to 129,499,817.20, 194,249,725.80 and 93,361,829.20 is: 140,042,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,499,817.20 : 194,249,725.80 = 93,361,829.20 : x
  2. Step 2: Convert to fraction form
    129,499,817.20/194,249,725.80 = 93,361,829.20/x
  3. Step 3: Cross multiply
    129,499,817.20x = 194,249,725.80 × 93,361,829.20
  4. Step 4: Simplify right side
    129,499,817.20x = 18,135,509,722,286,436
  5. Step 5: Solve for x
    x = 18,135,509,722,286,436/129,499,817.20
  6. Step 6: Final answer
    x = 140,042,743.80

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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.