Home / 148,021,624.53-204,272,260.43-81,039,465.23

Finding the Fourth Proportional to 148,021,624.53, 204,272,260.43 and 81,039,465.23

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Solution

The fourth proportional to 148,021,624.53, 204,272,260.43 and 81,039,465.23 is: 111,835,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021,624.53 : 204,272,260.43 = 81,039,465.23 : x
  2. Step 2: Convert to fraction form
    148,021,624.53/204,272,260.43 = 81,039,465.23/x
  3. Step 3: Cross multiply
    148,021,624.53x = 204,272,260.43 × 81,039,465.23
  4. Step 4: Simplify right side
    148,021,624.53x = 16,554,114,745,143,930
  5. Step 5: Solve for x
    x = 16,554,114,745,143,930/148,021,624.53
  6. Step 6: Final answer
    x = 111,835,786.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.