Home / 81,372,916.54-122,060,326.16-23,866,342.03

Finding the Fourth Proportional to 81,372,916.54, 122,060,326.16 and 23,866,342.03

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Solution

The fourth proportional to 81,372,916.54, 122,060,326.16 and 23,866,342.03 is: 35,799,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,372,916.54 : 122,060,326.16 = 23,866,342.03 : x
  2. Step 2: Convert to fraction form
    81,372,916.54/122,060,326.16 = 23,866,342.03/x
  3. Step 3: Cross multiply
    81,372,916.54x = 122,060,326.16 × 23,866,342.03
  4. Step 4: Simplify right side
    81,372,916.54x = 2,913,133,492,427,916.50
  5. Step 5: Solve for x
    x = 2,913,133,492,427,916.50/81,372,916.54
  6. Step 6: Final answer
    x = 35,799,792.07

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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.