Home / 205,660,637.78-283,811,649.30-117,556,527.20

Finding the Fourth Proportional to 205,660,637.78, 283,811,649.30 and 117,556,527.20

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Solution

The fourth proportional to 205,660,637.78, 283,811,649.30 and 117,556,527.20 is: 162,227,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,660,637.78 : 283,811,649.30 = 117,556,527.20 : x
  2. Step 2: Convert to fraction form
    205,660,637.78/283,811,649.30 = 117,556,527.20/x
  3. Step 3: Cross multiply
    205,660,637.78x = 283,811,649.30 × 117,556,527.20
  4. Step 4: Simplify right side
    205,660,637.78x = 33,363,911,869,193,252
  5. Step 5: Solve for x
    x = 33,363,911,869,193,252/205,660,637.78
  6. Step 6: Final answer
    x = 162,227,989.91

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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.