Home / 72,544,319.28-100,111,166.88-39,504,558.50

Finding the Fourth Proportional to 72,544,319.28, 100,111,166.88 and 39,504,558.50

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Solution

The fourth proportional to 72,544,319.28, 100,111,166.88 and 39,504,558.50 is: 54,516,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,544,319.28 : 100,111,166.88 = 39,504,558.50 : x
  2. Step 2: Convert to fraction form
    72,544,319.28/100,111,166.88 = 39,504,558.50/x
  3. Step 3: Cross multiply
    72,544,319.28x = 100,111,166.88 × 39,504,558.50
  4. Step 4: Simplify right side
    72,544,319.28x = 3,954,847,448,013,666
  5. Step 5: Solve for x
    x = 3,954,847,448,013,666/72,544,319.28
  6. Step 6: Final answer
    x = 54,516,294.14

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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.