Home / 77,895,931.96-107,460,190.38-50,402,743.48

Finding the Fourth Proportional to 77,895,931.96, 107,460,190.38 and 50,402,743.48

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Solution

The fourth proportional to 77,895,931.96, 107,460,190.38 and 50,402,743.48 is: 69,532,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,895,931.96 : 107,460,190.38 = 50,402,743.48 : x
  2. Step 2: Convert to fraction form
    77,895,931.96/107,460,190.38 = 50,402,743.48/x
  3. Step 3: Cross multiply
    77,895,931.96x = 107,460,190.38 × 50,402,743.48
  4. Step 4: Simplify right side
    77,895,931.96x = 5,416,288,410,035,103
  5. Step 5: Solve for x
    x = 5,416,288,410,035,103/77,895,931.96
  6. Step 6: Final answer
    x = 69,532,365.47

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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.