Home / 178,425,756.68-267,638,266.20-100,667,362.16

Finding the Fourth Proportional to 178,425,756.68, 267,638,266.20 and 100,667,362.16

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Solution

The fourth proportional to 178,425,756.68, 267,638,266.20 and 100,667,362.16 is: 151,000,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,425,756.68 : 267,638,266.20 = 100,667,362.16 : x
  2. Step 2: Convert to fraction form
    178,425,756.68/267,638,266.20 = 100,667,362.16/x
  3. Step 3: Cross multiply
    178,425,756.68x = 267,638,266.20 × 100,667,362.16
  4. Step 4: Simplify right side
    178,425,756.68x = 26,942,438,271,429,884
  5. Step 5: Solve for x
    x = 26,942,438,271,429,884/178,425,756.68
  6. Step 6: Final answer
    x = 151,000,835.15

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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.