Home / 57,183,403.87-78,913,706.93-31,077,923.05

Finding the Fourth Proportional to 57,183,403.87, 78,913,706.93 and 31,077,923.05

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Solution

The fourth proportional to 57,183,403.87, 78,913,706.93 and 31,077,923.05 is: 42,887,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,403.87 : 78,913,706.93 = 31,077,923.05 : x
  2. Step 2: Convert to fraction form
    57,183,403.87/78,913,706.93 = 31,077,923.05/x
  3. Step 3: Cross multiply
    57,183,403.87x = 78,913,706.93 × 31,077,923.05
  4. Step 4: Simplify right side
    57,183,403.87x = 2,452,474,111,560,792
  5. Step 5: Solve for x
    x = 2,452,474,111,560,792/57,183,403.87
  6. Step 6: Final answer
    x = 42,887,865.11

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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.