Home / 48,387,731,353.20-72,581,597,029.80-40,122,760,921.20

Finding the Fourth Proportional to 48,387,731,353.20, 72,581,597,029.80 and 40,122,760,921.20

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Solution

The fourth proportional to 48,387,731,353.20, 72,581,597,029.80 and 40,122,760,921.20 is: 60,184,141,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,731,353.20 : 72,581,597,029.80 = 40,122,760,921.20 : x
  2. Step 2: Convert to fraction form
    48,387,731,353.20/72,581,597,029.80 = 40,122,760,921.20/x
  3. Step 3: Cross multiply
    48,387,731,353.20x = 72,581,597,029.80 × 40,122,760,921.20
  4. Step 4: Simplify right side
    48,387,731,353.20x = 2,912,174,064,905,545,580,544
  5. Step 5: Solve for x
    x = 2,912,174,064,905,545,580,544/48,387,731,353.20
  6. Step 6: Final answer
    x = 60,184,141,381.80

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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.