Home / 102,455,429.20-141,391,843.54-58,401,628.72

Finding the Fourth Proportional to 102,455,429.20, 141,391,843.54 and 58,401,628.72

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Solution

The fourth proportional to 102,455,429.20, 141,391,843.54 and 58,401,628.72 is: 80,596,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,455,429.20 : 141,391,843.54 = 58,401,628.72 : x
  2. Step 2: Convert to fraction form
    102,455,429.20/141,391,843.54 = 58,401,628.72/x
  3. Step 3: Cross multiply
    102,455,429.20x = 141,391,843.54 × 58,401,628.72
  4. Step 4: Simplify right side
    102,455,429.20x = 8,257,513,950,459,410
  5. Step 5: Solve for x
    x = 8,257,513,950,459,410/102,455,429.20
  6. Step 6: Final answer
    x = 80,596,157.91

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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.