Home / 212,957,167.20-293,881,086.70-115,172,023.20

Finding the Fourth Proportional to 212,957,167.20, 293,881,086.70 and 115,172,023.20

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Solution

The fourth proportional to 212,957,167.20, 293,881,086.70 and 115,172,023.20 is: 158,937,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,957,167.20 : 293,881,086.70 = 115,172,023.20 : x
  2. Step 2: Convert to fraction form
    212,957,167.20/293,881,086.70 = 115,172,023.20/x
  3. Step 3: Cross multiply
    212,957,167.20x = 293,881,086.70 × 115,172,023.20
  4. Step 4: Simplify right side
    212,957,167.20x = 33,846,879,335,453,612
  5. Step 5: Solve for x
    x = 33,846,879,335,453,612/212,957,167.20
  6. Step 6: Final answer
    x = 158,937,498.00

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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.