Home / 258,228,659.16-387,113,651.58-100,625,182.92

Finding the Fourth Proportional to 258,228,659.16, 387,113,651.58 and 100,625,182.92

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Solution

The fourth proportional to 258,228,659.16, 387,113,651.58 and 100,625,182.92 is: 150,848,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,228,659.16 : 387,113,651.58 = 100,625,182.92 : x
  2. Step 2: Convert to fraction form
    258,228,659.16/387,113,651.58 = 100,625,182.92/x
  3. Step 3: Cross multiply
    258,228,659.16x = 387,113,651.58 × 100,625,182.92
  4. Step 4: Simplify right side
    258,228,659.16x = 38,953,382,001,066,648
  5. Step 5: Solve for x
    x = 38,953,382,001,066,648/258,228,659.16
  6. Step 6: Final answer
    x = 150,848,407.48

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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.