Home / 216,439,823.94-298,678,952.06-117,318,443.14

Finding the Fourth Proportional to 216,439,823.94, 298,678,952.06 and 117,318,443.14

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Solution

The fourth proportional to 216,439,823.94, 298,678,952.06 and 117,318,443.14 is: 161,895,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,439,823.94 : 298,678,952.06 = 117,318,443.14 : x
  2. Step 2: Convert to fraction form
    216,439,823.94/298,678,952.06 = 117,318,443.14/x
  3. Step 3: Cross multiply
    216,439,823.94x = 298,678,952.06 × 117,318,443.14
  4. Step 4: Simplify right side
    216,439,823.94x = 35,040,549,655,405,888
  5. Step 5: Solve for x
    x = 35,040,549,655,405,888/216,439,823.94
  6. Step 6: Final answer
    x = 161,895,112.54

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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.