Home / 262,375,072.92-393,259,937.40-98,508,315.60

Finding the Fourth Proportional to 262,375,072.92, 393,259,937.40 and 98,508,315.60

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Solution

The fourth proportional to 262,375,072.92, 393,259,937.40 and 98,508,315.60 is: 147,648,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,375,072.92 : 393,259,937.40 = 98,508,315.60 : x
  2. Step 2: Convert to fraction form
    262,375,072.92/393,259,937.40 = 98,508,315.60/x
  3. Step 3: Cross multiply
    262,375,072.92x = 393,259,937.40 × 98,508,315.60
  4. Step 4: Simplify right side
    262,375,072.92x = 38,739,374,026,235,440
  5. Step 5: Solve for x
    x = 38,739,374,026,235,440/262,375,072.92
  6. Step 6: Final answer
    x = 147,648,835.67

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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.