Home / 99,043,299.60-148,676,923.80-76,424,470.80

Finding the Fourth Proportional to 99,043,299.60, 148,676,923.80 and 76,424,470.80

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Solution

The fourth proportional to 99,043,299.60, 148,676,923.80 and 76,424,470.80 is: 114,723,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,299.60 : 148,676,923.80 = 76,424,470.80 : x
  2. Step 2: Convert to fraction form
    99,043,299.60/148,676,923.80 = 76,424,470.80/x
  3. Step 3: Cross multiply
    99,043,299.60x = 148,676,923.80 × 76,424,470.80
  4. Step 4: Simplify right side
    99,043,299.60x = 11,362,555,221,586,926
  5. Step 5: Solve for x
    x = 11,362,555,221,586,926/99,043,299.60
  6. Step 6: Final answer
    x = 114,723,108.66

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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.