Home / 85,993,206.56-129,045,303.74-31,401,221.30

Finding the Fourth Proportional to 85,993,206.56, 129,045,303.74 and 31,401,221.30

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Solution

The fourth proportional to 85,993,206.56, 129,045,303.74 and 31,401,221.30 is: 47,122,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,993,206.56 : 129,045,303.74 = 31,401,221.30 : x
  2. Step 2: Convert to fraction form
    85,993,206.56/129,045,303.74 = 31,401,221.30/x
  3. Step 3: Cross multiply
    85,993,206.56x = 129,045,303.74 × 31,401,221.30
  4. Step 4: Simplify right side
    85,993,206.56x = 4,052,180,139,663,225
  5. Step 5: Solve for x
    x = 4,052,180,139,663,225/85,993,206.56
  6. Step 6: Final answer
    x = 47,122,096.06

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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.