Home / 112,904,437-169,365,708.54-42,908,198.68

Finding the Fourth Proportional to 112,904,437, 169,365,708.54 and 42,908,198.68

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Solution

The fourth proportional to 112,904,437, 169,365,708.54 and 42,908,198.68 is: 64,365,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904,437 : 169,365,708.54 = 42,908,198.68 : x
  2. Step 2: Convert to fraction form
    112,904,437/169,365,708.54 = 42,908,198.68/x
  3. Step 3: Cross multiply
    112,904,437x = 169,365,708.54 × 42,908,198.68
  4. Step 4: Simplify right side
    112,904,437x = 7,267,177,471,613,292
  5. Step 5: Solve for x
    x = 7,267,177,471,613,292/112,904,437
  6. Step 6: Final answer
    x = 64,365,738.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.