Home / 102,455,428.20-141,391,842.16-58,401,627.72

Finding the Fourth Proportional to 102,455,428.20, 141,391,842.16 and 58,401,627.72

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Solution

The fourth proportional to 102,455,428.20, 141,391,842.16 and 58,401,627.72 is: 80,596,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,455,428.20 : 141,391,842.16 = 58,401,627.72 : x
  2. Step 2: Convert to fraction form
    102,455,428.20/141,391,842.16 = 58,401,627.72/x
  3. Step 3: Cross multiply
    102,455,428.20x = 141,391,842.16 × 58,401,627.72
  4. Step 4: Simplify right side
    102,455,428.20x = 8,257,513,728,473,320
  5. Step 5: Solve for x
    x = 8,257,513,728,473,320/102,455,428.20
  6. Step 6: Final answer
    x = 80,596,156.53

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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.