Home / 168,154,228.35-252,271,200.60-86,285,742.30

Finding the Fourth Proportional to 168,154,228.35, 252,271,200.60 and 86,285,742.30

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Solution

The fourth proportional to 168,154,228.35, 252,271,200.60 and 86,285,742.30 is: 129,449,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,154,228.35 : 252,271,200.60 = 86,285,742.30 : x
  2. Step 2: Convert to fraction form
    168,154,228.35/252,271,200.60 = 86,285,742.30/x
  3. Step 3: Cross multiply
    168,154,228.35x = 252,271,200.60 × 86,285,742.30
  4. Step 4: Simplify right side
    168,154,228.35x = 21,767,407,804,683,204
  5. Step 5: Solve for x
    x = 21,767,407,804,683,204/168,154,228.35
  6. Step 6: Final answer
    x = 129,449,066.00

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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.