Home / 110,592,068.80-165,888,103.20-90,436,676.80

Finding the Fourth Proportional to 110,592,068.80, 165,888,103.20 and 90,436,676.80

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Solution

The fourth proportional to 110,592,068.80, 165,888,103.20 and 90,436,676.80 is: 135,655,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,592,068.80 : 165,888,103.20 = 90,436,676.80 : x
  2. Step 2: Convert to fraction form
    110,592,068.80/165,888,103.20 = 90,436,676.80/x
  3. Step 3: Cross multiply
    110,592,068.80x = 165,888,103.20 × 90,436,676.80
  4. Step 4: Simplify right side
    110,592,068.80x = 15,002,368,774,063,444
  5. Step 5: Solve for x
    x = 15,002,368,774,063,444/110,592,068.80
  6. Step 6: Final answer
    x = 135,655,015.20

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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.