Home / 115,338,250.72-159,149,663.87-70,051,429.67

Finding the Fourth Proportional to 115,338,250.72, 159,149,663.87 and 70,051,429.67

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Solution

The fourth proportional to 115,338,250.72, 159,149,663.87 and 70,051,429.67 is: 96,660,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,338,250.72 : 159,149,663.87 = 70,051,429.67 : x
  2. Step 2: Convert to fraction form
    115,338,250.72/159,149,663.87 = 70,051,429.67/x
  3. Step 3: Cross multiply
    115,338,250.72x = 159,149,663.87 × 70,051,429.67
  4. Step 4: Simplify right side
    115,338,250.72x = 11,148,661,485,044,252
  5. Step 5: Solve for x
    x = 11,148,661,485,044,252/115,338,250.72
  6. Step 6: Final answer
    x = 96,660,573.71

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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.