Home / 289,050,307.20-433,431,993.60-104,810,428.80

Finding the Fourth Proportional to 289,050,307.20, 433,431,993.60 and 104,810,428.80

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Solution

The fourth proportional to 289,050,307.20, 433,431,993.60 and 104,810,428.80 is: 157,163,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,050,307.20 : 433,431,993.60 = 104,810,428.80 : x
  2. Step 2: Convert to fraction form
    289,050,307.20/433,431,993.60 = 104,810,428.80/x
  3. Step 3: Cross multiply
    289,050,307.20x = 433,431,993.60 × 104,810,428.80
  4. Step 4: Simplify right side
    289,050,307.20x = 45,428,193,104,854,856
  5. Step 5: Solve for x
    x = 45,428,193,104,854,856/289,050,307.20
  6. Step 6: Final answer
    x = 157,163,621.60

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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.