Home / 158,291,863.00-218,442,791.67-87,732,028.67

Finding the Fourth Proportional to 158,291,863.00, 218,442,791.67 and 87,732,028.67

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Solution

The fourth proportional to 158,291,863.00, 218,442,791.67 and 87,732,028.67 is: 121,070,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,291,863.00 : 218,442,791.67 = 87,732,028.67 : x
  2. Step 2: Convert to fraction form
    158,291,863.00/218,442,791.67 = 87,732,028.67/x
  3. Step 3: Cross multiply
    158,291,863.00x = 218,442,791.67 × 87,732,028.67
  4. Step 4: Simplify right side
    158,291,863.00x = 19,164,429,260,016,404
  5. Step 5: Solve for x
    x = 19,164,429,260,016,404/158,291,863.00
  6. Step 6: Final answer
    x = 121,070,211.05

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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.