Home / 216,345,141.54-298,557,334.44-117,225,862.74

Finding the Fourth Proportional to 216,345,141.54, 298,557,334.44 and 117,225,862.74

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Solution

The fourth proportional to 216,345,141.54, 298,557,334.44 and 117,225,862.74 is: 161,772,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,345,141.54 : 298,557,334.44 = 117,225,862.74 : x
  2. Step 2: Convert to fraction form
    216,345,141.54/298,557,334.44 = 117,225,862.74/x
  3. Step 3: Cross multiply
    216,345,141.54x = 298,557,334.44 × 117,225,862.74
  4. Step 4: Simplify right side
    216,345,141.54x = 34,998,641,107,083,712
  5. Step 5: Solve for x
    x = 34,998,641,107,083,712/216,345,141.54
  6. Step 6: Final answer
    x = 161,772,253.62

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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.