Home / 88,731,668.70-133,097,503.05-85,330,446.30

Finding the Fourth Proportional to 88,731,668.70, 133,097,503.05 and 85,330,446.30

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Solution

The fourth proportional to 88,731,668.70, 133,097,503.05 and 85,330,446.30 is: 127,995,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731,668.70 : 133,097,503.05 = 85,330,446.30 : x
  2. Step 2: Convert to fraction form
    88,731,668.70/133,097,503.05 = 85,330,446.30/x
  3. Step 3: Cross multiply
    88,731,668.70x = 133,097,503.05 × 85,330,446.30
  4. Step 4: Simplify right side
    88,731,668.70x = 11,357,269,336,672,110
  5. Step 5: Solve for x
    x = 11,357,269,336,672,110/88,731,668.70
  6. Step 6: Final answer
    x = 127,995,669.45

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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.