Home / 170,037,614.40-255,056,421.60-67,817,428.80

Finding the Fourth Proportional to 170,037,614.40, 255,056,421.60 and 67,817,428.80

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Solution

The fourth proportional to 170,037,614.40, 255,056,421.60 and 67,817,428.80 is: 101,726,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,037,614.40 : 255,056,421.60 = 67,817,428.80 : x
  2. Step 2: Convert to fraction form
    170,037,614.40/255,056,421.60 = 67,817,428.80/x
  3. Step 3: Cross multiply
    170,037,614.40x = 255,056,421.60 × 67,817,428.80
  4. Step 4: Simplify right side
    170,037,614.40x = 17,297,270,711,840,780
  5. Step 5: Solve for x
    x = 17,297,270,711,840,780/170,037,614.40
  6. Step 6: Final answer
    x = 101,726,143.20

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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.