Home / 187,597,749.80-258,884,698.38-105,092,115.32

Finding the Fourth Proportional to 187,597,749.80, 258,884,698.38 and 105,092,115.32

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Solution

The fourth proportional to 187,597,749.80, 258,884,698.38 and 105,092,115.32 is: 145,027,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,597,749.80 : 258,884,698.38 = 105,092,115.32 : x
  2. Step 2: Convert to fraction form
    187,597,749.80/258,884,698.38 = 105,092,115.32/x
  3. Step 3: Cross multiply
    187,597,749.80x = 258,884,698.38 × 105,092,115.32
  4. Step 4: Simplify right side
    187,597,749.80x = 27,206,740,576,734,376
  5. Step 5: Solve for x
    x = 27,206,740,576,734,376/187,597,749.80
  6. Step 6: Final answer
    x = 145,027,009.15

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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.