Home / 72,544,312.56-100,111,157.64-39,504,551.81

Finding the Fourth Proportional to 72,544,312.56, 100,111,157.64 and 39,504,551.81

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Solution

The fourth proportional to 72,544,312.56, 100,111,157.64 and 39,504,551.81 is: 54,516,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,544,312.56 : 100,111,157.64 = 39,504,551.81 : x
  2. Step 2: Convert to fraction form
    72,544,312.56/100,111,157.64 = 39,504,551.81/x
  3. Step 3: Cross multiply
    72,544,312.56x = 100,111,157.64 × 39,504,551.81
  4. Step 4: Simplify right side
    72,544,312.56x = 3,954,846,413,550,935
  5. Step 5: Solve for x
    x = 3,954,846,413,550,935/72,544,312.56
  6. Step 6: Final answer
    x = 54,516,284.93

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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.