Home / 81,680,916.60-114,438,313.80-81,680,916.60

Finding the Fourth Proportional to 81,680,916.60, 114,438,313.80 and 81,680,916.60

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Solution

The fourth proportional to 81,680,916.60, 114,438,313.80 and 81,680,916.60 is: 114,438,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,680,916.60 : 114,438,313.80 = 81,680,916.60 : x
  2. Step 2: Convert to fraction form
    81,680,916.60/114,438,313.80 = 81,680,916.60/x
  3. Step 3: Cross multiply
    81,680,916.60x = 114,438,313.80 × 81,680,916.60
  4. Step 4: Simplify right side
    81,680,916.60x = 9,347,426,365,342,428
  5. Step 5: Solve for x
    x = 9,347,426,365,342,428/81,680,916.60
  6. Step 6: Final answer
    x = 114,438,313.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.