Home / 112,098,609.40-168,147,914.10-68,827,502.20

Finding the Fourth Proportional to 112,098,609.40, 168,147,914.10 and 68,827,502.20

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Solution

The fourth proportional to 112,098,609.40, 168,147,914.10 and 68,827,502.20 is: 103,241,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098,609.40 : 168,147,914.10 = 68,827,502.20 : x
  2. Step 2: Convert to fraction form
    112,098,609.40/168,147,914.10 = 68,827,502.20/x
  3. Step 3: Cross multiply
    112,098,609.40x = 168,147,914.10 × 68,827,502.20
  4. Step 4: Simplify right side
    112,098,609.40x = 11,573,200,927,643,162
  5. Step 5: Solve for x
    x = 11,573,200,927,643,162/112,098,609.40
  6. Step 6: Final answer
    x = 103,241,253.30

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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.