Home / 79,211,802.80-118,817,704.20-52,002,023.60

Finding the Fourth Proportional to 79,211,802.80, 118,817,704.20 and 52,002,023.60

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Solution

The fourth proportional to 79,211,802.80, 118,817,704.20 and 52,002,023.60 is: 78,003,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211,802.80 : 118,817,704.20 = 52,002,023.60 : x
  2. Step 2: Convert to fraction form
    79,211,802.80/118,817,704.20 = 52,002,023.60/x
  3. Step 3: Cross multiply
    79,211,802.80x = 118,817,704.20 × 52,002,023.60
  4. Step 4: Simplify right side
    79,211,802.80x = 6,178,761,057,906,219
  5. Step 5: Solve for x
    x = 6,178,761,057,906,219/79,211,802.80
  6. Step 6: Final answer
    x = 78,003,035.40

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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.