Home / 143,625,845.76-215,757,633.28-89,078,741.60

Finding the Fourth Proportional to 143,625,845.76, 215,757,633.28 and 89,078,741.60

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Solution

The fourth proportional to 143,625,845.76, 215,757,633.28 and 89,078,741.60 is: 133,815,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,625,845.76 : 215,757,633.28 = 89,078,741.60 : x
  2. Step 2: Convert to fraction form
    143,625,845.76/215,757,633.28 = 89,078,741.60/x
  3. Step 3: Cross multiply
    143,625,845.76x = 215,757,633.28 × 89,078,741.60
  4. Step 4: Simplify right side
    143,625,845.76x = 19,219,418,463,176,680
  5. Step 5: Solve for x
    x = 19,219,418,463,176,680/143,625,845.76
  6. Step 6: Final answer
    x = 133,815,876.67

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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.