Home / 304,909,773.84-420,774,571.86-165,680,960.40

Finding the Fourth Proportional to 304,909,773.84, 420,774,571.86 and 165,680,960.40

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Solution

The fourth proportional to 304,909,773.84, 420,774,571.86 and 165,680,960.40 is: 228,639,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,909,773.84 : 420,774,571.86 = 165,680,960.40 : x
  2. Step 2: Convert to fraction form
    304,909,773.84/420,774,571.86 = 165,680,960.40/x
  3. Step 3: Cross multiply
    304,909,773.84x = 420,774,571.86 × 165,680,960.40
  4. Step 4: Simplify right side
    304,909,773.84x = 69,714,335,177,663,616
  5. Step 5: Solve for x
    x = 69,714,335,177,663,616/304,909,773.84
  6. Step 6: Final answer
    x = 228,639,227.60

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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.