Home / 298,186,478.26-447,262,894.49-132,142,159.60

Finding the Fourth Proportional to 298,186,478.26, 447,262,894.49 and 132,142,159.60

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Solution

The fourth proportional to 298,186,478.26, 447,262,894.49 and 132,142,159.60 is: 198,205,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,186,478.26 : 447,262,894.49 = 132,142,159.60 : x
  2. Step 2: Convert to fraction form
    298,186,478.26/447,262,894.49 = 132,142,159.60/x
  3. Step 3: Cross multiply
    298,186,478.26x = 447,262,894.49 × 132,142,159.60
  4. Step 4: Simplify right side
    298,186,478.26x = 59,102,284,784,619,224
  5. Step 5: Solve for x
    x = 59,102,284,784,619,224/298,186,478.26
  6. Step 6: Final answer
    x = 198,205,784.28

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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.