Home / 206,688,470.20-310,032,705.30-91,897,214.20

Finding the Fourth Proportional to 206,688,470.20, 310,032,705.30 and 91,897,214.20

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Solution

The fourth proportional to 206,688,470.20, 310,032,705.30 and 91,897,214.20 is: 137,845,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,688,470.20 : 310,032,705.30 = 91,897,214.20 : x
  2. Step 2: Convert to fraction form
    206,688,470.20/310,032,705.30 = 91,897,214.20/x
  3. Step 3: Cross multiply
    206,688,470.20x = 310,032,705.30 × 91,897,214.20
  4. Step 4: Simplify right side
    206,688,470.20x = 28,491,141,927,959,576
  5. Step 5: Solve for x
    x = 28,491,141,927,959,576/206,688,470.20
  6. Step 6: Final answer
    x = 137,845,821.30

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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.