Home / 131,233,276.80-196,849,915.20-54,705,772.80

Finding the Fourth Proportional to 131,233,276.80, 196,849,915.20 and 54,705,772.80

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Solution

The fourth proportional to 131,233,276.80, 196,849,915.20 and 54,705,772.80 is: 82,058,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233,276.80 : 196,849,915.20 = 54,705,772.80 : x
  2. Step 2: Convert to fraction form
    131,233,276.80/196,849,915.20 = 54,705,772.80/x
  3. Step 3: Cross multiply
    131,233,276.80x = 196,849,915.20 × 54,705,772.80
  4. Step 4: Simplify right side
    131,233,276.80x = 10,768,826,736,630,466
  5. Step 5: Solve for x
    x = 10,768,826,736,630,466/131,233,276.80
  6. Step 6: Final answer
    x = 82,058,659.20

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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.