Home / 206,688,508.20-310,032,762.30-91,897,252.20

Finding the Fourth Proportional to 206,688,508.20, 310,032,762.30 and 91,897,252.20

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Solution

The fourth proportional to 206,688,508.20, 310,032,762.30 and 91,897,252.20 is: 137,845,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,688,508.20 : 310,032,762.30 = 91,897,252.20 : x
  2. Step 2: Convert to fraction form
    206,688,508.20/310,032,762.30 = 91,897,252.20/x
  3. Step 3: Cross multiply
    206,688,508.20x = 310,032,762.30 × 91,897,252.20
  4. Step 4: Simplify right side
    206,688,508.20x = 28,491,158,947,345,756
  5. Step 5: Solve for x
    x = 28,491,158,947,345,756/206,688,508.20
  6. Step 6: Final answer
    x = 137,845,878.30

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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.