Home / 135,519,622.29-187,018,107.53-73,640,294.37

Finding the Fourth Proportional to 135,519,622.29, 187,018,107.53 and 73,640,294.37

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Solution

The fourth proportional to 135,519,622.29, 187,018,107.53 and 73,640,294.37 is: 101,624,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,519,622.29 : 187,018,107.53 = 73,640,294.37 : x
  2. Step 2: Convert to fraction form
    135,519,622.29/187,018,107.53 = 73,640,294.37/x
  3. Step 3: Cross multiply
    135,519,622.29x = 187,018,107.53 × 73,640,294.37
  4. Step 4: Simplify right side
    135,519,622.29x = 13,772,068,490,661,314
  5. Step 5: Solve for x
    x = 13,772,068,490,661,314/135,519,622.29
  6. Step 6: Final answer
    x = 101,624,165.25

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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.