Home / 79,188,009.60-118,782,014.40-73,448,446.80

Finding the Fourth Proportional to 79,188,009.60, 118,782,014.40 and 73,448,446.80

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Solution

The fourth proportional to 79,188,009.60, 118,782,014.40 and 73,448,446.80 is: 110,172,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,188,009.60 : 118,782,014.40 = 73,448,446.80 : x
  2. Step 2: Convert to fraction form
    79,188,009.60/118,782,014.40 = 73,448,446.80/x
  3. Step 3: Cross multiply
    79,188,009.60x = 118,782,014.40 × 73,448,446.80
  4. Step 4: Simplify right side
    79,188,009.60x = 8,724,354,465,455,234
  5. Step 5: Solve for x
    x = 8,724,354,465,455,234/79,188,009.60
  6. Step 6: Final answer
    x = 110,172,670.20

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1.5x scale

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.