Home / 135,803,397.46-187,398,003.89-77,066,062.39

Finding the Fourth Proportional to 135,803,397.46, 187,398,003.89 and 77,066,062.39

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Solution

The fourth proportional to 135,803,397.46, 187,398,003.89 and 77,066,062.39 is: 106,345,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,803,397.46 : 187,398,003.89 = 77,066,062.39 : x
  2. Step 2: Convert to fraction form
    135,803,397.46/187,398,003.89 = 77,066,062.39/x
  3. Step 3: Cross multiply
    135,803,397.46x = 187,398,003.89 × 77,066,062.39
  4. Step 4: Simplify right side
    135,803,397.46x = 14,442,026,258,694,378
  5. Step 5: Solve for x
    x = 14,442,026,258,694,378/135,803,397.46
  6. Step 6: Final answer
    x = 106,345,102.77

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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.