Home / 102,155,286.46-140,977,272.69-55,748,529.70

Finding the Fourth Proportional to 102,155,286.46, 140,977,272.69 and 55,748,529.70

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Solution

The fourth proportional to 102,155,286.46, 140,977,272.69 and 55,748,529.70 is: 76,934,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,286.46 : 140,977,272.69 = 55,748,529.70 : x
  2. Step 2: Convert to fraction form
    102,155,286.46/140,977,272.69 = 55,748,529.70/x
  3. Step 3: Cross multiply
    102,155,286.46x = 140,977,272.69 × 55,748,529.70
  4. Step 4: Simplify right side
    102,155,286.46x = 7,859,275,673,583,464
  5. Step 5: Solve for x
    x = 7,859,275,673,583,464/102,155,286.46
  6. Step 6: Final answer
    x = 76,934,595.81

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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.