Home / 76,207,856.01-113,735,877.05-68,852,938.56

Finding the Fourth Proportional to 76,207,856.01, 113,735,877.05 and 68,852,938.56

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Solution

The fourth proportional to 76,207,856.01, 113,735,877.05 and 68,852,938.56 is: 102,759,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,207,856.01 : 113,735,877.05 = 68,852,938.56 : x
  2. Step 2: Convert to fraction form
    76,207,856.01/113,735,877.05 = 68,852,938.56/x
  3. Step 3: Cross multiply
    76,207,856.01x = 113,735,877.05 × 68,852,938.56
  4. Step 4: Simplify right side
    76,207,856.01x = 7,831,049,354,247,100
  5. Step 5: Solve for x
    x = 7,831,049,354,247,100/76,207,856.01
  6. Step 6: Final answer
    x = 102,759,082.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.