Home / 216,619,892.11-298,933,681.84-117,500,391.37

Finding the Fourth Proportional to 216,619,892.11, 298,933,681.84 and 117,500,391.37

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Solution

The fourth proportional to 216,619,892.11, 298,933,681.84 and 117,500,391.37 is: 162,149,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619,892.11 : 298,933,681.84 = 117,500,391.37 : x
  2. Step 2: Convert to fraction form
    216,619,892.11/298,933,681.84 = 117,500,391.37/x
  3. Step 3: Cross multiply
    216,619,892.11x = 298,933,681.84 × 117,500,391.37
  4. Step 4: Simplify right side
    216,619,892.11x = 35,124,824,609,875,060
  5. Step 5: Solve for x
    x = 35,124,824,609,875,060/216,619,892.11
  6. Step 6: Final answer
    x = 162,149,580.39

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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.