Home / 111,945,469.74-154,477,952.48-61,707,486.66

Finding the Fourth Proportional to 111,945,469.74, 154,477,952.48 and 61,707,486.66

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Solution

The fourth proportional to 111,945,469.74, 154,477,952.48 and 61,707,486.66 is: 85,152,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,945,469.74 : 154,477,952.48 = 61,707,486.66 : x
  2. Step 2: Convert to fraction form
    111,945,469.74/154,477,952.48 = 61,707,486.66/x
  3. Step 3: Cross multiply
    111,945,469.74x = 154,477,952.48 × 61,707,486.66
  4. Step 4: Simplify right side
    111,945,469.74x = 9,532,446,191,923,712
  5. Step 5: Solve for x
    x = 9,532,446,191,923,712/111,945,469.74
  6. Step 6: Final answer
    x = 85,152,585.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.