Home / 72,610,488.52-100,199,550.83-39,570,028.23

Finding the Fourth Proportional to 72,610,488.52, 100,199,550.83 and 39,570,028.23

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Solution

The fourth proportional to 72,610,488.52, 100,199,550.83 and 39,570,028.23 is: 54,605,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610,488.52 : 100,199,550.83 = 39,570,028.23 : x
  2. Step 2: Convert to fraction form
    72,610,488.52/100,199,550.83 = 39,570,028.23/x
  3. Step 3: Cross multiply
    72,610,488.52x = 100,199,550.83 × 39,570,028.23
  4. Step 4: Simplify right side
    72,610,488.52x = 3,964,899,055,154,318.50
  5. Step 5: Solve for x
    x = 3,964,899,055,154,318.50/72,610,488.52
  6. Step 6: Final answer
    x = 54,605,045.86

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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.