Home / 133,590,739.20-200,236,809.60-76,110,547.20

Finding the Fourth Proportional to 133,590,739.20, 200,236,809.60 and 76,110,547.20

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Solution

The fourth proportional to 133,590,739.20, 200,236,809.60 and 76,110,547.20 is: 114,080,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,590,739.20 : 200,236,809.60 = 76,110,547.20 : x
  2. Step 2: Convert to fraction form
    133,590,739.20/200,236,809.60 = 76,110,547.20/x
  3. Step 3: Cross multiply
    133,590,739.20x = 200,236,809.60 × 76,110,547.20
  4. Step 4: Simplify right side
    133,590,739.20x = 15,240,133,148,238,214
  5. Step 5: Solve for x
    x = 15,240,133,148,238,214/133,590,739.20
  6. Step 6: Final answer
    x = 114,080,760.68

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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.