Home / 258,048,002.20-387,072,003.30-144,565,864.60

Finding the Fourth Proportional to 258,048,002.20, 387,072,003.30 and 144,565,864.60

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Solution

The fourth proportional to 258,048,002.20, 387,072,003.30 and 144,565,864.60 is: 216,848,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,048,002.20 : 387,072,003.30 = 144,565,864.60 : x
  2. Step 2: Convert to fraction form
    258,048,002.20/387,072,003.30 = 144,565,864.60/x
  3. Step 3: Cross multiply
    258,048,002.20x = 387,072,003.30 × 144,565,864.60
  4. Step 4: Simplify right side
    258,048,002.20x = 55,957,398,819,518,552
  5. Step 5: Solve for x
    x = 55,957,398,819,518,552/258,048,002.20
  6. Step 6: Final answer
    x = 216,848,796.90

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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.