Home / 165,856,277.80-248,784,416.70-79,580,002.60

Finding the Fourth Proportional to 165,856,277.80, 248,784,416.70 and 79,580,002.60

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Solution

The fourth proportional to 165,856,277.80, 248,784,416.70 and 79,580,002.60 is: 119,370,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,856,277.80 : 248,784,416.70 = 79,580,002.60 : x
  2. Step 2: Convert to fraction form
    165,856,277.80/248,784,416.70 = 79,580,002.60/x
  3. Step 3: Cross multiply
    165,856,277.80x = 248,784,416.70 × 79,580,002.60
  4. Step 4: Simplify right side
    165,856,277.80x = 19,798,264,527,825,480
  5. Step 5: Solve for x
    x = 19,798,264,527,825,480/165,856,277.80
  6. Step 6: Final answer
    x = 119,370,003.90

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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.