Home / 105,186,626.46-145,171,960.47-60,531,679.26

Finding the Fourth Proportional to 105,186,626.46, 145,171,960.47 and 60,531,679.26

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Solution

The fourth proportional to 105,186,626.46, 145,171,960.47 and 60,531,679.26 is: 83,542,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,186,626.46 : 145,171,960.47 = 60,531,679.26 : x
  2. Step 2: Convert to fraction form
    105,186,626.46/145,171,960.47 = 60,531,679.26/x
  3. Step 3: Cross multiply
    105,186,626.46x = 145,171,960.47 × 60,531,679.26
  4. Step 4: Simplify right side
    105,186,626.46x = 8,787,502,548,715,438
  5. Step 5: Solve for x
    x = 8,787,502,548,715,438/105,186,626.46
  6. Step 6: Final answer
    x = 83,542,013.32

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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.