Home / 267,147,424.20-399,870,830.70-190,619,920.20

Finding the Fourth Proportional to 267,147,424.20, 399,870,830.70 and 190,619,920.20

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Solution

The fourth proportional to 267,147,424.20, 399,870,830.70 and 190,619,920.20 is: 285,323,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,147,424.20 : 399,870,830.70 = 190,619,920.20 : x
  2. Step 2: Convert to fraction form
    267,147,424.20/399,870,830.70 = 190,619,920.20/x
  3. Step 3: Cross multiply
    267,147,424.20x = 399,870,830.70 × 190,619,920.20
  4. Step 4: Simplify right side
    267,147,424.20x = 76,223,345,838,341,696
  5. Step 5: Solve for x
    x = 76,223,345,838,341,696/267,147,424.20
  6. Step 6: Final answer
    x = 285,323,154.68

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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.