Home / 211,902,355.80-318,056,487.30-109,739,712.60

Finding the Fourth Proportional to 211,902,355.80, 318,056,487.30 and 109,739,712.60

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Solution

The fourth proportional to 211,902,355.80, 318,056,487.30 and 109,739,712.60 is: 164,714,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,902,355.80 : 318,056,487.30 = 109,739,712.60 : x
  2. Step 2: Convert to fraction form
    211,902,355.80/318,056,487.30 = 109,739,712.60/x
  3. Step 3: Cross multiply
    211,902,355.80x = 318,056,487.30 × 109,739,712.60
  4. Step 4: Simplify right side
    211,902,355.80x = 34,903,427,506,867,548
  5. Step 5: Solve for x
    x = 34,903,427,506,867,548/211,902,355.80
  6. Step 6: Final answer
    x = 164,714,674.24

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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.