Home / 359,115,817.28-538,689,779.87-110,103,158.03

Finding the Fourth Proportional to 359,115,817.28, 538,689,779.87 and 110,103,158.03

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Solution

The fourth proportional to 359,115,817.28, 538,689,779.87 and 110,103,158.03 is: 165,159,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,115,817.28 : 538,689,779.87 = 110,103,158.03 : x
  2. Step 2: Convert to fraction form
    359,115,817.28/538,689,779.87 = 110,103,158.03/x
  3. Step 3: Cross multiply
    359,115,817.28x = 538,689,779.87 × 110,103,158.03
  4. Step 4: Simplify right side
    359,115,817.28x = 59,311,445,958,928,560
  5. Step 5: Solve for x
    x = 59,311,445,958,928,560/359,115,817.28
  6. Step 6: Final answer
    x = 165,159,659.10

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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.