Home / 269,140,916.40-403,900,331.40-115,896,951.60

Finding the Fourth Proportional to 269,140,916.40, 403,900,331.40 and 115,896,951.60

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Solution

The fourth proportional to 269,140,916.40, 403,900,331.40 and 115,896,951.60 is: 173,926,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,140,916.40 : 403,900,331.40 = 115,896,951.60 : x
  2. Step 2: Convert to fraction form
    269,140,916.40/403,900,331.40 = 115,896,951.60/x
  3. Step 3: Cross multiply
    269,140,916.40x = 403,900,331.40 × 115,896,951.60
  4. Step 4: Simplify right side
    269,140,916.40x = 46,810,817,159,489,752
  5. Step 5: Solve for x
    x = 46,810,817,159,489,752/269,140,916.40
  6. Step 6: Final answer
    x = 173,926,795.62

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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.