Home / 136,727,525.89-188,683,971.23-74,003,612.73

Finding the Fourth Proportional to 136,727,525.89, 188,683,971.23 and 74,003,612.73

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Solution

The fourth proportional to 136,727,525.89, 188,683,971.23 and 74,003,612.73 is: 102,124,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,727,525.89 : 188,683,971.23 = 74,003,612.73 : x
  2. Step 2: Convert to fraction form
    136,727,525.89/188,683,971.23 = 74,003,612.73/x
  3. Step 3: Cross multiply
    136,727,525.89x = 188,683,971.23 × 74,003,612.73
  4. Step 4: Simplify right side
    136,727,525.89x = 13,963,295,535,263,382
  5. Step 5: Solve for x
    x = 13,963,295,535,263,382/136,727,525.89
  6. Step 6: Final answer
    x = 102,124,977.72

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1.5x scale

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.