Home / 116,140,855.60-160,278,610.03-63,215,007.15

Finding the Fourth Proportional to 116,140,855.60, 160,278,610.03 and 63,215,007.15

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Solution

The fourth proportional to 116,140,855.60, 160,278,610.03 and 63,215,007.15 is: 87,239,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,140,855.60 : 160,278,610.03 = 63,215,007.15 : x
  2. Step 2: Convert to fraction form
    116,140,855.60/160,278,610.03 = 63,215,007.15/x
  3. Step 3: Cross multiply
    116,140,855.60x = 160,278,610.03 × 63,215,007.15
  4. Step 4: Simplify right side
    116,140,855.60x = 10,132,013,479,251,130
  5. Step 5: Solve for x
    x = 10,132,013,479,251,130/116,140,855.60
  6. Step 6: Final answer
    x = 87,239,011.86

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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.