Home / 144,989,759.12-217,417,211.03-52,809,325.07

Finding the Fourth Proportional to 144,989,759.12, 217,417,211.03 and 52,809,325.07

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Solution

The fourth proportional to 144,989,759.12, 217,417,211.03 and 52,809,325.07 is: 79,189,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,989,759.12 : 217,417,211.03 = 52,809,325.07 : x
  2. Step 2: Convert to fraction form
    144,989,759.12/217,417,211.03 = 52,809,325.07/x
  3. Step 3: Cross multiply
    144,989,759.12x = 217,417,211.03 × 52,809,325.07
  4. Step 4: Simplify right side
    144,989,759.12x = 11,481,656,172,140,996
  5. Step 5: Solve for x
    x = 11,481,656,172,140,996/144,989,759.12
  6. Step 6: Final answer
    x = 79,189,428.57

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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.