Home / 289,828,867.60-434,694,487.48-82,552,705.84

Finding the Fourth Proportional to 289,828,867.60, 434,694,487.48 and 82,552,705.84

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Solution

The fourth proportional to 289,828,867.60, 434,694,487.48 and 82,552,705.84 is: 123,815,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,828,867.60 : 434,694,487.48 = 82,552,705.84 : x
  2. Step 2: Convert to fraction form
    289,828,867.60/434,694,487.48 = 82,552,705.84/x
  3. Step 3: Cross multiply
    289,828,867.60x = 434,694,487.48 × 82,552,705.84
  4. Step 4: Simplify right side
    289,828,867.60x = 35,885,206,155,206,008
  5. Step 5: Solve for x
    x = 35,885,206,155,206,008/289,828,867.60
  6. Step 6: Final answer
    x = 123,815,154.96

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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.