Home / 136,727,197.96-188,683,518-74,003,285.20

Finding the Fourth Proportional to 136,727,197.96, 188,683,518 and 74,003,285.20

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Solution

The fourth proportional to 136,727,197.96, 188,683,518 and 74,003,285.20 is: 102,124,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,727,197.96 : 188,683,518 = 74,003,285.20 : x
  2. Step 2: Convert to fraction form
    136,727,197.96/188,683,518 = 74,003,285.20/x
  3. Step 3: Cross multiply
    136,727,197.96x = 188,683,518 × 74,003,285.20
  4. Step 4: Simplify right side
    136,727,197.96x = 13,963,200,195,093,334
  5. Step 5: Solve for x
    x = 13,963,200,195,093,334/136,727,197.96
  6. Step 6: Final answer
    x = 102,124,525.36

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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.