Home / 108,609,430.20-162,914,145.30-74,172,053.40

Finding the Fourth Proportional to 108,609,430.20, 162,914,145.30 and 74,172,053.40

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Solution

The fourth proportional to 108,609,430.20, 162,914,145.30 and 74,172,053.40 is: 111,258,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,609,430.20 : 162,914,145.30 = 74,172,053.40 : x
  2. Step 2: Convert to fraction form
    108,609,430.20/162,914,145.30 = 74,172,053.40/x
  3. Step 3: Cross multiply
    108,609,430.20x = 162,914,145.30 × 74,172,053.40
  4. Step 4: Simplify right side
    108,609,430.20x = 12,083,676,684,806,960
  5. Step 5: Solve for x
    x = 12,083,676,684,806,960/108,609,430.20
  6. Step 6: Final answer
    x = 111,258,080.10

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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.