Home / 358,128,180.80-537,192,271.20-128,104,769.60

Finding the Fourth Proportional to 358,128,180.80, 537,192,271.20 and 128,104,769.60

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Solution

The fourth proportional to 358,128,180.80, 537,192,271.20 and 128,104,769.60 is: 192,157,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,128,180.80 : 537,192,271.20 = 128,104,769.60 : x
  2. Step 2: Convert to fraction form
    358,128,180.80/537,192,271.20 = 128,104,769.60/x
  3. Step 3: Cross multiply
    358,128,180.80x = 537,192,271.20 × 128,104,769.60
  4. Step 4: Simplify right side
    358,128,180.80x = 68,816,892,132,976,720
  5. Step 5: Solve for x
    x = 68,816,892,132,976,720/358,128,180.80
  6. Step 6: Final answer
    x = 192,157,154.40

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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.