Home / 260,139,252.42-390,053,044.80-82,799,787.07

Finding the Fourth Proportional to 260,139,252.42, 390,053,044.80 and 82,799,787.07

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Solution

The fourth proportional to 260,139,252.42, 390,053,044.80 and 82,799,787.07 is: 124,150,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,139,252.42 : 390,053,044.80 = 82,799,787.07 : x
  2. Step 2: Convert to fraction form
    260,139,252.42/390,053,044.80 = 82,799,787.07/x
  3. Step 3: Cross multiply
    260,139,252.42x = 390,053,044.80 × 82,799,787.07
  4. Step 4: Simplify right side
    260,139,252.42x = 32,296,309,053,494,904
  5. Step 5: Solve for x
    x = 32,296,309,053,494,904/260,139,252.42
  6. Step 6: Final answer
    x = 124,150,080.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.