Home / 61,280,826.71-91,920,452.73-20,359,082.39

Finding the Fourth Proportional to 61,280,826.71, 91,920,452.73 and 20,359,082.39

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Solution

The fourth proportional to 61,280,826.71, 91,920,452.73 and 20,359,082.39 is: 30,538,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,280,826.71 : 91,920,452.73 = 20,359,082.39 : x
  2. Step 2: Convert to fraction form
    61,280,826.71/91,920,452.73 = 20,359,082.39/x
  3. Step 3: Cross multiply
    61,280,826.71x = 91,920,452.73 × 20,359,082.39
  4. Step 4: Simplify right side
    61,280,826.71x = 1,871,416,069,996,568.50
  5. Step 5: Solve for x
    x = 1,871,416,069,996,568.50/61,280,826.71
  6. Step 6: Final answer
    x = 30,538,362.01

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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.