Home / 148,586,814.48-222,891,950.51-39,412,017.79

Finding the Fourth Proportional to 148,586,814.48, 222,891,950.51 and 39,412,017.79

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Solution

The fourth proportional to 148,586,814.48, 222,891,950.51 and 39,412,017.79 is: 59,121,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,586,814.48 : 222,891,950.51 = 39,412,017.79 : x
  2. Step 2: Convert to fraction form
    148,586,814.48/222,891,950.51 = 39,412,017.79/x
  3. Step 3: Cross multiply
    148,586,814.48x = 222,891,950.51 × 39,412,017.79
  4. Step 4: Simplify right side
    148,586,814.48x = 8,784,621,518,747,919
  5. Step 5: Solve for x
    x = 8,784,621,518,747,919/148,586,814.48
  6. Step 6: Final answer
    x = 59,121,137.70

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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.