Home / 146,326,913.66-219,469,005.20-42,668,264.05

Finding the Fourth Proportional to 146,326,913.66, 219,469,005.20 and 42,668,264.05

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Solution

The fourth proportional to 146,326,913.66, 219,469,005.20 and 42,668,264.05 is: 63,996,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,326,913.66 : 219,469,005.20 = 42,668,264.05 : x
  2. Step 2: Convert to fraction form
    146,326,913.66/219,469,005.20 = 42,668,264.05/x
  3. Step 3: Cross multiply
    146,326,913.66x = 219,469,005.20 × 42,668,264.05
  4. Step 4: Simplify right side
    146,326,913.66x = 9,364,361,464,222,420
  5. Step 5: Solve for x
    x = 9,364,361,464,222,420/146,326,913.66
  6. Step 6: Final answer
    x = 63,996,166.05

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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.