Home / 278,010,233.40-417,214,415.70-116,568,031.80

Finding the Fourth Proportional to 278,010,233.40, 417,214,415.70 and 116,568,031.80

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Solution

The fourth proportional to 278,010,233.40, 417,214,415.70 and 116,568,031.80 is: 174,935,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,010,233.40 : 417,214,415.70 = 116,568,031.80 : x
  2. Step 2: Convert to fraction form
    278,010,233.40/417,214,415.70 = 116,568,031.80/x
  3. Step 3: Cross multiply
    278,010,233.40x = 417,214,415.70 × 116,568,031.80
  4. Step 4: Simplify right side
    278,010,233.40x = 48,633,863,276,736,016
  5. Step 5: Solve for x
    x = 48,633,863,276,736,016/278,010,233.40
  6. Step 6: Final answer
    x = 174,935,514.72

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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.