Home / 124,512,066.20-186,992,048.10-90,471,848.60

Finding the Fourth Proportional to 124,512,066.20, 186,992,048.10 and 90,471,848.60

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Solution

The fourth proportional to 124,512,066.20, 186,992,048.10 and 90,471,848.60 is: 135,870,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,512,066.20 : 186,992,048.10 = 90,471,848.60 : x
  2. Step 2: Convert to fraction form
    124,512,066.20/186,992,048.10 = 90,471,848.60/x
  3. Step 3: Cross multiply
    124,512,066.20x = 186,992,048.10 × 90,471,848.60
  4. Step 4: Simplify right side
    124,512,066.20x = 16,917,516,265,107,116
  5. Step 5: Solve for x
    x = 16,917,516,265,107,116/124,512,066.20
  6. Step 6: Final answer
    x = 135,870,496.58

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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.