Home / 99,225,391.65-148,828,388.77-30,138,794.98

Finding the Fourth Proportional to 99,225,391.65, 148,828,388.77 and 30,138,794.98

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Solution

The fourth proportional to 99,225,391.65, 148,828,388.77 and 30,138,794.98 is: 45,205,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225,391.65 : 148,828,388.77 = 30,138,794.98 : x
  2. Step 2: Convert to fraction form
    99,225,391.65/148,828,388.77 = 30,138,794.98/x
  3. Step 3: Cross multiply
    99,225,391.65x = 148,828,388.77 × 30,138,794.98
  4. Step 4: Simplify right side
    99,225,391.65x = 4,485,508,296,342,765
  5. Step 5: Solve for x
    x = 4,485,508,296,342,765/99,225,391.65
  6. Step 6: Final answer
    x = 45,205,246.58

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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.