Home / 142,858,175.76-197,186,238.60-93,306,124.68

Finding the Fourth Proportional to 142,858,175.76, 197,186,238.60 and 93,306,124.68

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Solution

The fourth proportional to 142,858,175.76, 197,186,238.60 and 93,306,124.68 is: 128,789,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,858,175.76 : 197,186,238.60 = 93,306,124.68 : x
  2. Step 2: Convert to fraction form
    142,858,175.76/197,186,238.60 = 93,306,124.68/x
  3. Step 3: Cross multiply
    142,858,175.76x = 197,186,238.60 × 93,306,124.68
  4. Step 4: Simplify right side
    142,858,175.76x = 18,398,683,763,991,828
  5. Step 5: Solve for x
    x = 18,398,683,763,991,828/142,858,175.76
  6. Step 6: Final answer
    x = 128,789,855.16

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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.