Home / 262,109,905.20-393,164,857.80-245,954,098.80

Finding the Fourth Proportional to 262,109,905.20, 393,164,857.80 and 245,954,098.80

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Solution

The fourth proportional to 262,109,905.20, 393,164,857.80 and 245,954,098.80 is: 368,931,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,109,905.20 : 393,164,857.80 = 245,954,098.80 : x
  2. Step 2: Convert to fraction form
    262,109,905.20/393,164,857.80 = 245,954,098.80/x
  3. Step 3: Cross multiply
    262,109,905.20x = 393,164,857.80 × 245,954,098.80
  4. Step 4: Simplify right side
    262,109,905.20x = 96,700,508,280,029,152
  5. Step 5: Solve for x
    x = 96,700,508,280,029,152/262,109,905.20
  6. Step 6: Final answer
    x = 368,931,148.20

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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.