Home / 253,636,291.44-350,018,132.76-154,517,035.20

Finding the Fourth Proportional to 253,636,291.44, 350,018,132.76 and 154,517,035.20

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Solution

The fourth proportional to 253,636,291.44, 350,018,132.76 and 154,517,035.20 is: 213,233,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,636,291.44 : 350,018,132.76 = 154,517,035.20 : x
  2. Step 2: Convert to fraction form
    253,636,291.44/350,018,132.76 = 154,517,035.20/x
  3. Step 3: Cross multiply
    253,636,291.44x = 350,018,132.76 × 154,517,035.20
  4. Step 4: Simplify right side
    253,636,291.44x = 54,083,764,140,315,184
  5. Step 5: Solve for x
    x = 54,083,764,140,315,184/253,636,291.44
  6. Step 6: Final answer
    x = 213,233,539.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.