Home / 258,228,658.16-387,113,650.08-100,625,181.92

Finding the Fourth Proportional to 258,228,658.16, 387,113,650.08 and 100,625,181.92

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Solution

The fourth proportional to 258,228,658.16, 387,113,650.08 and 100,625,181.92 is: 150,848,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,228,658.16 : 387,113,650.08 = 100,625,181.92 : x
  2. Step 2: Convert to fraction form
    258,228,658.16/387,113,650.08 = 100,625,181.92/x
  3. Step 3: Cross multiply
    258,228,658.16x = 387,113,650.08 × 100,625,181.92
  4. Step 4: Simplify right side
    258,228,658.16x = 38,953,381,463,015,224
  5. Step 5: Solve for x
    x = 38,953,381,463,015,224/258,228,658.16
  6. Step 6: Final answer
    x = 150,848,405.98

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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.