Home / 268,703,363.39-370,770,647.58-151,221,687.30

Finding the Fourth Proportional to 268,703,363.39, 370,770,647.58 and 151,221,687.30

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Solution

The fourth proportional to 268,703,363.39, 370,770,647.58 and 151,221,687.30 is: 208,663,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,703,363.39 : 370,770,647.58 = 151,221,687.30 : x
  2. Step 2: Convert to fraction form
    268,703,363.39/370,770,647.58 = 151,221,687.30/x
  3. Step 3: Cross multiply
    268,703,363.39x = 370,770,647.58 × 151,221,687.30
  4. Step 4: Simplify right side
    268,703,363.39x = 56,068,562,928,361,264
  5. Step 5: Solve for x
    x = 56,068,562,928,361,264/268,703,363.39
  6. Step 6: Final answer
    x = 208,663,420.59

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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.