Home / 135,157,917,988.56-186,518,131,136.42-73,358,509,807.30

Finding the Fourth Proportional to 135,157,917,988.56, 186,518,131,136.42 and 73,358,509,807.30

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Solution

The fourth proportional to 135,157,917,988.56, 186,518,131,136.42 and 73,358,509,807.30 is: 101,234,854,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,157,917,988.56 : 186,518,131,136.42 = 73,358,509,807.30 : x
  2. Step 2: Convert to fraction form
    135,157,917,988.56/186,518,131,136.42 = 73,358,509,807.30/x
  3. Step 3: Cross multiply
    135,157,917,988.56x = 186,518,131,136.42 × 73,358,509,807.30
  4. Step 4: Simplify right side
    135,157,917,988.56x = 13,682,692,152,210,336,251,904
  5. Step 5: Solve for x
    x = 13,682,692,152,210,336,251,904/135,157,917,988.56
  6. Step 6: Final answer
    x = 101,234,854,426.87

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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.