Home / 54,518,378.96-81,778,280.75-18,126,769.31

Finding the Fourth Proportional to 54,518,378.96, 81,778,280.75 and 18,126,769.31

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Solution

The fourth proportional to 54,518,378.96, 81,778,280.75 and 18,126,769.31 is: 27,190,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518,378.96 : 81,778,280.75 = 18,126,769.31 : x
  2. Step 2: Convert to fraction form
    54,518,378.96/81,778,280.75 = 18,126,769.31/x
  3. Step 3: Cross multiply
    54,518,378.96x = 81,778,280.75 × 18,126,769.31
  4. Step 4: Simplify right side
    54,518,378.96x = 1,482,376,029,723,663.75
  5. Step 5: Solve for x
    x = 1,482,376,029,723,663.75/54,518,378.96
  6. Step 6: Final answer
    x = 27,190,390.80

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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.