Home / 193,470,240.81-266,987,073.96-105,365,709.81

Finding the Fourth Proportional to 193,470,240.81, 266,987,073.96 and 105,365,709.81

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Solution

The fourth proportional to 193,470,240.81, 266,987,073.96 and 105,365,709.81 is: 145,403,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,470,240.81 : 266,987,073.96 = 105,365,709.81 : x
  2. Step 2: Convert to fraction form
    193,470,240.81/266,987,073.96 = 105,365,709.81/x
  3. Step 3: Cross multiply
    193,470,240.81x = 266,987,073.96 × 105,365,709.81
  4. Step 4: Simplify right side
    193,470,240.81x = 28,131,282,557,890,368
  5. Step 5: Solve for x
    x = 28,131,282,557,890,368/193,470,240.81
  6. Step 6: Final answer
    x = 145,403,667.46

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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.