Home / 131,232,972.80-196,849,459.20-54,705,468.80

Finding the Fourth Proportional to 131,232,972.80, 196,849,459.20 and 54,705,468.80

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Solution

The fourth proportional to 131,232,972.80, 196,849,459.20 and 54,705,468.80 is: 82,058,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,232,972.80 : 196,849,459.20 = 54,705,468.80 : x
  2. Step 2: Convert to fraction form
    131,232,972.80/196,849,459.20 = 54,705,468.80/x
  3. Step 3: Cross multiply
    131,232,972.80x = 196,849,459.20 × 54,705,468.80
  4. Step 4: Simplify right side
    131,232,972.80x = 10,768,741,948,562,472
  5. Step 5: Solve for x
    x = 10,768,741,948,562,472/131,232,972.80
  6. Step 6: Final answer
    x = 82,058,203.20

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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.