Home / 145,235,591.84-200,419,280.97-79,154,670.95

Finding the Fourth Proportional to 145,235,591.84, 200,419,280.97 and 79,154,670.95

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Solution

The fourth proportional to 145,235,591.84, 200,419,280.97 and 79,154,670.95 is: 109,230,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,235,591.84 : 200,419,280.97 = 79,154,670.95 : x
  2. Step 2: Convert to fraction form
    145,235,591.84/200,419,280.97 = 79,154,670.95/x
  3. Step 3: Cross multiply
    145,235,591.84x = 200,419,280.97 × 79,154,670.95
  4. Step 4: Simplify right side
    145,235,591.84x = 15,864,122,236,213,848
  5. Step 5: Solve for x
    x = 15,864,122,236,213,848/145,235,591.84
  6. Step 6: Final answer
    x = 109,230,265.36

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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.