Home / 193,414,338.15-266,909,282.96-105,307,325.25

Finding the Fourth Proportional to 193,414,338.15, 266,909,282.96 and 105,307,325.25

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Solution

The fourth proportional to 193,414,338.15, 266,909,282.96 and 105,307,325.25 is: 145,322,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,414,338.15 : 266,909,282.96 = 105,307,325.25 : x
  2. Step 2: Convert to fraction form
    193,414,338.15/266,909,282.96 = 105,307,325.25/x
  3. Step 3: Cross multiply
    193,414,338.15x = 266,909,282.96 × 105,307,325.25
  4. Step 4: Simplify right side
    193,414,338.15x = 28,107,502,671,051,924
  5. Step 5: Solve for x
    x = 28,107,502,671,051,924/193,414,338.15
  6. Step 6: Final answer
    x = 145,322,745.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.