Home / 236,865,742.80-355,298,614.20-75,324,008.40

Finding the Fourth Proportional to 236,865,742.80, 355,298,614.20 and 75,324,008.40

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Solution

The fourth proportional to 236,865,742.80, 355,298,614.20 and 75,324,008.40 is: 112,986,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,865,742.80 : 355,298,614.20 = 75,324,008.40 : x
  2. Step 2: Convert to fraction form
    236,865,742.80/355,298,614.20 = 75,324,008.40/x
  3. Step 3: Cross multiply
    236,865,742.80x = 355,298,614.20 × 75,324,008.40
  4. Step 4: Simplify right side
    236,865,742.80x = 26,762,515,800,509,160
  5. Step 5: Solve for x
    x = 26,762,515,800,509,160/236,865,742.80
  6. Step 6: Final answer
    x = 112,986,012.60

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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.