Home / 262,657,766.40-393,986,649.60-153,818,649.60

Finding the Fourth Proportional to 262,657,766.40, 393,986,649.60 and 153,818,649.60

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Solution

The fourth proportional to 262,657,766.40, 393,986,649.60 and 153,818,649.60 is: 230,727,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,657,766.40 : 393,986,649.60 = 153,818,649.60 : x
  2. Step 2: Convert to fraction form
    262,657,766.40/393,986,649.60 = 153,818,649.60/x
  3. Step 3: Cross multiply
    262,657,766.40x = 393,986,649.60 × 153,818,649.60
  4. Step 4: Simplify right side
    262,657,766.40x = 60,602,494,401,900,384
  5. Step 5: Solve for x
    x = 60,602,494,401,900,384/262,657,766.40
  6. Step 6: Final answer
    x = 230,727,974.40

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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.