Home / 110,053,430.40-165,080,145.60-108,352,819.20

Finding the Fourth Proportional to 110,053,430.40, 165,080,145.60 and 108,352,819.20

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Solution

The fourth proportional to 110,053,430.40, 165,080,145.60 and 108,352,819.20 is: 162,529,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,053,430.40 : 165,080,145.60 = 108,352,819.20 : x
  2. Step 2: Convert to fraction form
    110,053,430.40/165,080,145.60 = 108,352,819.20/x
  3. Step 3: Cross multiply
    110,053,430.40x = 165,080,145.60 × 108,352,819.20
  4. Step 4: Simplify right side
    110,053,430.40x = 17,886,899,169,706,476
  5. Step 5: Solve for x
    x = 17,886,899,169,706,476/110,053,430.40
  6. Step 6: Final answer
    x = 162,529,228.80

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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.