Home / 108,626,286.20-162,726,852.90-65,366,988.80

Finding the Fourth Proportional to 108,626,286.20, 162,726,852.90 and 65,366,988.80

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Solution

The fourth proportional to 108,626,286.20, 162,726,852.90 and 65,366,988.80 is: 97,922,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,626,286.20 : 162,726,852.90 = 65,366,988.80 : x
  2. Step 2: Convert to fraction form
    108,626,286.20/162,726,852.90 = 65,366,988.80/x
  3. Step 3: Cross multiply
    108,626,286.20x = 162,726,852.90 × 65,366,988.80
  4. Step 4: Simplify right side
    108,626,286.20x = 10,636,964,370,973,548
  5. Step 5: Solve for x
    x = 10,636,964,370,973,548/108,626,286.20
  6. Step 6: Final answer
    x = 97,922,563.16

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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.