Home / 211,782,130.70-292,168,682.78-132,259,133.43

Finding the Fourth Proportional to 211,782,130.70, 292,168,682.78 and 132,259,133.43

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Solution

The fourth proportional to 211,782,130.70, 292,168,682.78 and 132,259,133.43 is: 182,460,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,782,130.70 : 292,168,682.78 = 132,259,133.43 : x
  2. Step 2: Convert to fraction form
    211,782,130.70/292,168,682.78 = 132,259,133.43/x
  3. Step 3: Cross multiply
    211,782,130.70x = 292,168,682.78 × 132,259,133.43
  4. Step 4: Simplify right side
    211,782,130.70x = 38,641,976,799,206,064
  5. Step 5: Solve for x
    x = 38,641,976,799,206,064/211,782,130.70
  6. Step 6: Final answer
    x = 182,460,987.96

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1.5x scale

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.