Home / 216,439,824.56-298,678,952.93-117,318,443.77

Finding the Fourth Proportional to 216,439,824.56, 298,678,952.93 and 117,318,443.77

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Solution

The fourth proportional to 216,439,824.56, 298,678,952.93 and 117,318,443.77 is: 161,895,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,439,824.56 : 298,678,952.93 = 117,318,443.77 : x
  2. Step 2: Convert to fraction form
    216,439,824.56/298,678,952.93 = 117,318,443.77/x
  3. Step 3: Cross multiply
    216,439,824.56x = 298,678,952.93 × 117,318,443.77
  4. Step 4: Simplify right side
    216,439,824.56x = 35,040,549,943,267,392
  5. Step 5: Solve for x
    x = 35,040,549,943,267,392/216,439,824.56
  6. Step 6: Final answer
    x = 161,895,113.41

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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.