Home / 165,079,132.60-247,778,131.20-100,509,051.10

Finding the Fourth Proportional to 165,079,132.60, 247,778,131.20 and 100,509,051.10

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Solution

The fourth proportional to 165,079,132.60, 247,778,131.20 and 100,509,051.10 is: 150,860,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,079,132.60 : 247,778,131.20 = 100,509,051.10 : x
  2. Step 2: Convert to fraction form
    165,079,132.60/247,778,131.20 = 100,509,051.10/x
  3. Step 3: Cross multiply
    165,079,132.60x = 247,778,131.20 × 100,509,051.10
  4. Step 4: Simplify right side
    165,079,132.60x = 24,903,944,850,243,300
  5. Step 5: Solve for x
    x = 24,903,944,850,243,300/165,079,132.60
  6. Step 6: Final answer
    x = 150,860,647.61

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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.