Home / 215,414,112.90-323,121,169.35-146,539,359.30

Finding the Fourth Proportional to 215,414,112.90, 323,121,169.35 and 146,539,359.30

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Solution

The fourth proportional to 215,414,112.90, 323,121,169.35 and 146,539,359.30 is: 219,809,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,414,112.90 : 323,121,169.35 = 146,539,359.30 : x
  2. Step 2: Convert to fraction form
    215,414,112.90/323,121,169.35 = 146,539,359.30/x
  3. Step 3: Cross multiply
    215,414,112.90x = 323,121,169.35 × 146,539,359.30
  4. Step 4: Simplify right side
    215,414,112.90x = 47,349,969,132,815,808
  5. Step 5: Solve for x
    x = 47,349,969,132,815,808/215,414,112.90
  6. Step 6: Final answer
    x = 219,809,038.95

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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.