Home / 172,479,243.60-258,844,836.60-121,460,907.60

Finding the Fourth Proportional to 172,479,243.60, 258,844,836.60 and 121,460,907.60

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Solution

The fourth proportional to 172,479,243.60, 258,844,836.60 and 121,460,907.60 is: 182,280,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,479,243.60 : 258,844,836.60 = 121,460,907.60 : x
  2. Step 2: Convert to fraction form
    172,479,243.60/258,844,836.60 = 121,460,907.60/x
  3. Step 3: Cross multiply
    172,479,243.60x = 258,844,836.60 × 121,460,907.60
  4. Step 4: Simplify right side
    172,479,243.60x = 31,439,528,781,009,696
  5. Step 5: Solve for x
    x = 31,439,528,781,009,696/172,479,243.60
  6. Step 6: Final answer
    x = 182,280,071.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.