Home / 147,913,868.20-204,113,669.28-80,931,376.60

Finding the Fourth Proportional to 147,913,868.20, 204,113,669.28 and 80,931,376.60

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Solution

The fourth proportional to 147,913,868.20, 204,113,669.28 and 80,931,376.60 is: 111,681,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913,868.20 : 204,113,669.28 = 80,931,376.60 : x
  2. Step 2: Convert to fraction form
    147,913,868.20/204,113,669.28 = 80,931,376.60/x
  3. Step 3: Cross multiply
    147,913,868.20x = 204,113,669.28 × 80,931,376.60
  4. Step 4: Simplify right side
    147,913,868.20x = 16,519,200,237,707,530
  5. Step 5: Solve for x
    x = 16,519,200,237,707,530/147,913,868.20
  6. Step 6: Final answer
    x = 111,681,213.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.