Home / 99,277,650.81-148,940,391.06-31,120,342.56

Finding the Fourth Proportional to 99,277,650.81, 148,940,391.06 and 31,120,342.56

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Solution

The fourth proportional to 99,277,650.81, 148,940,391.06 and 31,120,342.56 is: 46,688,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277,650.81 : 148,940,391.06 = 31,120,342.56 : x
  2. Step 2: Convert to fraction form
    99,277,650.81/148,940,391.06 = 31,120,342.56/x
  3. Step 3: Cross multiply
    99,277,650.81x = 148,940,391.06 × 31,120,342.56
  4. Step 4: Simplify right side
    99,277,650.81x = 4,635,075,990,807,561
  5. Step 5: Solve for x
    x = 4,635,075,990,807,561/99,277,650.81
  6. Step 6: Final answer
    x = 46,688,010.37

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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.