Home / 228,474,842.87-342,695,501.71-72,986,902.32

Finding the Fourth Proportional to 228,474,842.87, 342,695,501.71 and 72,986,902.32

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Solution

The fourth proportional to 228,474,842.87, 342,695,501.71 and 72,986,902.32 is: 109,474,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,474,842.87 : 342,695,501.71 = 72,986,902.32 : x
  2. Step 2: Convert to fraction form
    228,474,842.87/342,695,501.71 = 72,986,902.32/x
  3. Step 3: Cross multiply
    228,474,842.87x = 342,695,501.71 × 72,986,902.32
  4. Step 4: Simplify right side
    228,474,842.87x = 25,012,283,109,913,804
  5. Step 5: Solve for x
    x = 25,012,283,109,913,804/228,474,842.87
  6. Step 6: Final answer
    x = 109,474,998.63

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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.