Home / 211,772,017.91-292,280,042.68-176,433,786.43

Finding the Fourth Proportional to 211,772,017.91, 292,280,042.68 and 176,433,786.43

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Solution

The fourth proportional to 211,772,017.91, 292,280,042.68 and 176,433,786.43 is: 243,507,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,772,017.91 : 292,280,042.68 = 176,433,786.43 : x
  2. Step 2: Convert to fraction form
    211,772,017.91/292,280,042.68 = 176,433,786.43/x
  3. Step 3: Cross multiply
    211,772,017.91x = 292,280,042.68 × 176,433,786.43
  4. Step 4: Simplify right side
    211,772,017.91x = 51,568,074,626,782,624
  5. Step 5: Solve for x
    x = 51,568,074,626,782,624/211,772,017.91
  6. Step 6: Final answer
    x = 243,507,499.88

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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.