Home / 124,353,803.50-186,142,540.44-91,601,297.68

Finding the Fourth Proportional to 124,353,803.50, 186,142,540.44 and 91,601,297.68

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Solution

The fourth proportional to 124,353,803.50, 186,142,540.44 and 91,601,297.68 is: 137,116,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,353,803.50 : 186,142,540.44 = 91,601,297.68 : x
  2. Step 2: Convert to fraction form
    124,353,803.50/186,142,540.44 = 91,601,297.68/x
  3. Step 3: Cross multiply
    124,353,803.50x = 186,142,540.44 × 91,601,297.68
  4. Step 4: Simplify right side
    124,353,803.50x = 17,050,898,257,755,880
  5. Step 5: Solve for x
    x = 17,050,898,257,755,880/124,353,803.50
  6. Step 6: Final answer
    x = 137,116,017.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.