Home / 147,913,867.20-204,113,667.90-80,931,375.60

Finding the Fourth Proportional to 147,913,867.20, 204,113,667.90 and 80,931,375.60

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Solution

The fourth proportional to 147,913,867.20, 204,113,667.90 and 80,931,375.60 is: 111,681,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913,867.20 : 204,113,667.90 = 80,931,375.60 : x
  2. Step 2: Convert to fraction form
    147,913,867.20/204,113,667.90 = 80,931,375.60/x
  3. Step 3: Cross multiply
    147,913,867.20x = 204,113,667.90 × 80,931,375.60
  4. Step 4: Simplify right side
    147,913,867.20x = 16,519,199,921,908,562
  5. Step 5: Solve for x
    x = 16,519,199,921,908,562/147,913,867.20
  6. Step 6: Final answer
    x = 111,681,211.74

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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.