Home / 135,545,279.60-187,053,935.10-73,665,621.20

Finding the Fourth Proportional to 135,545,279.60, 187,053,935.10 and 73,665,621.20

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Solution

The fourth proportional to 135,545,279.60, 187,053,935.10 and 73,665,621.20 is: 101,659,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,545,279.60 : 187,053,935.10 = 73,665,621.20 : x
  2. Step 2: Convert to fraction form
    135,545,279.60/187,053,935.10 = 73,665,621.20/x
  3. Step 3: Cross multiply
    135,545,279.60x = 187,053,935.10 × 73,665,621.20
  4. Step 4: Simplify right side
    135,545,279.60x = 13,779,444,327,045,984
  5. Step 5: Solve for x
    x = 13,779,444,327,045,984/135,545,279.60
  6. Step 6: Final answer
    x = 101,659,344.89

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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.