Home / 99,649,417.20-149,474,125.80-58,666,786.80

Finding the Fourth Proportional to 99,649,417.20, 149,474,125.80 and 58,666,786.80

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Solution

The fourth proportional to 99,649,417.20, 149,474,125.80 and 58,666,786.80 is: 88,000,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,417.20 : 149,474,125.80 = 58,666,786.80 : x
  2. Step 2: Convert to fraction form
    99,649,417.20/149,474,125.80 = 58,666,786.80/x
  3. Step 3: Cross multiply
    99,649,417.20x = 149,474,125.80 × 58,666,786.80
  4. Step 4: Simplify right side
    99,649,417.20x = 8,769,166,670,424,980
  5. Step 5: Solve for x
    x = 8,769,166,670,424,980/99,649,417.20
  6. Step 6: Final answer
    x = 88,000,180.20

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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.