Home / 217,517,455.56-300,182,008.68-118,393,411.89

Finding the Fourth Proportional to 217,517,455.56, 300,182,008.68 and 118,393,411.89

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Solution

The fourth proportional to 217,517,455.56, 300,182,008.68 and 118,393,411.89 is: 163,387,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,517,455.56 : 300,182,008.68 = 118,393,411.89 : x
  2. Step 2: Convert to fraction form
    217,517,455.56/300,182,008.68 = 118,393,411.89/x
  3. Step 3: Cross multiply
    217,517,455.56x = 300,182,008.68 × 118,393,411.89
  4. Step 4: Simplify right side
    217,517,455.56x = 35,539,572,195,618,796
  5. Step 5: Solve for x
    x = 35,539,572,195,618,796/217,517,455.56
  6. Step 6: Final answer
    x = 163,387,219.22

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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.