Home / 82,819,511.40-124,229,267.10-28,293,664.80

Finding the Fourth Proportional to 82,819,511.40, 124,229,267.10 and 28,293,664.80

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Solution

The fourth proportional to 82,819,511.40, 124,229,267.10 and 28,293,664.80 is: 42,440,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,819,511.40 : 124,229,267.10 = 28,293,664.80 : x
  2. Step 2: Convert to fraction form
    82,819,511.40/124,229,267.10 = 28,293,664.80/x
  3. Step 3: Cross multiply
    82,819,511.40x = 124,229,267.10 × 28,293,664.80
  4. Step 4: Simplify right side
    82,819,511.40x = 3,514,901,241,677,068
  5. Step 5: Solve for x
    x = 3,514,901,241,677,068/82,819,511.40
  6. Step 6: Final answer
    x = 42,440,497.20

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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.