Home / 97,985,191.46-135,150,720.94-64,483,996.76

Finding the Fourth Proportional to 97,985,191.46, 135,150,720.94 and 64,483,996.76

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Solution

The fourth proportional to 97,985,191.46, 135,150,720.94 and 64,483,996.76 is: 88,942,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,985,191.46 : 135,150,720.94 = 64,483,996.76 : x
  2. Step 2: Convert to fraction form
    97,985,191.46/135,150,720.94 = 64,483,996.76/x
  3. Step 3: Cross multiply
    97,985,191.46x = 135,150,720.94 × 64,483,996.76
  4. Step 4: Simplify right side
    97,985,191.46x = 8,715,058,651,206,624
  5. Step 5: Solve for x
    x = 8,715,058,651,206,624/97,985,191.46
  6. Step 6: Final answer
    x = 88,942,609.81

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Double scale
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1.5x scale

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.