Home / 403,759,835.29-605,644,575.27-112,609,243.74

Finding the Fourth Proportional to 403,759,835.29, 605,644,575.27 and 112,609,243.74

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Solution

The fourth proportional to 403,759,835.29, 605,644,575.27 and 112,609,243.74 is: 168,915,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,759,835.29 : 605,644,575.27 = 112,609,243.74 : x
  2. Step 2: Convert to fraction form
    403,759,835.29/605,644,575.27 = 112,609,243.74/x
  3. Step 3: Cross multiply
    403,759,835.29x = 605,644,575.27 × 112,609,243.74
  4. Step 4: Simplify right side
    403,759,835.29x = 68,201,177,595,825,152
  5. Step 5: Solve for x
    x = 68,201,177,595,825,152/403,759,835.29
  6. Step 6: Final answer
    x = 168,915,210.57

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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.