Home / 186,364,944-257,171,851.92-102,728,465.28

Finding the Fourth Proportional to 186,364,944, 257,171,851.92 and 102,728,465.28

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Solution

The fourth proportional to 186,364,944, 257,171,851.92 and 102,728,465.28 is: 141,758,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,364,944 : 257,171,851.92 = 102,728,465.28 : x
  2. Step 2: Convert to fraction form
    186,364,944/257,171,851.92 = 102,728,465.28/x
  3. Step 3: Cross multiply
    186,364,944x = 257,171,851.92 × 102,728,465.28
  4. Step 4: Simplify right side
    186,364,944x = 26,418,869,660,957,020
  5. Step 5: Solve for x
    x = 26,418,869,660,957,020/186,364,944
  6. Step 6: Final answer
    x = 141,758,793.76

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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.