Home / 272,630,189.80-408,934,787.10-90,877,367.80

Finding the Fourth Proportional to 272,630,189.80, 408,934,787.10 and 90,877,367.80

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Solution

The fourth proportional to 272,630,189.80, 408,934,787.10 and 90,877,367.80 is: 136,312,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,189.80 : 408,934,787.10 = 90,877,367.80 : x
  2. Step 2: Convert to fraction form
    272,630,189.80/408,934,787.10 = 90,877,367.80/x
  3. Step 3: Cross multiply
    272,630,189.80x = 408,934,787.10 × 90,877,367.80
  4. Step 4: Simplify right side
    272,630,189.80x = 37,162,917,053,501,400
  5. Step 5: Solve for x
    x = 37,162,917,053,501,400/272,630,189.80
  6. Step 6: Final answer
    x = 136,312,552.48

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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.