Home / 288,644,605.96-432,966,900.57-133,152,408.80

Finding the Fourth Proportional to 288,644,605.96, 432,966,900.57 and 133,152,408.80

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Solution

The fourth proportional to 288,644,605.96, 432,966,900.57 and 133,152,408.80 is: 199,728,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,644,605.96 : 432,966,900.57 = 133,152,408.80 : x
  2. Step 2: Convert to fraction form
    288,644,605.96/432,966,900.57 = 133,152,408.80/x
  3. Step 3: Cross multiply
    288,644,605.96x = 432,966,900.57 × 133,152,408.80
  4. Step 4: Simplify right side
    288,644,605.96x = 57,650,585,741,565,592
  5. Step 5: Solve for x
    x = 57,650,585,741,565,592/288,644,605.96
  6. Step 6: Final answer
    x = 199,728,609.34

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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.