Home / 84,187,303.20-126,280,954.80-47,907,597.60

Finding the Fourth Proportional to 84,187,303.20, 126,280,954.80 and 47,907,597.60

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Solution

The fourth proportional to 84,187,303.20, 126,280,954.80 and 47,907,597.60 is: 71,861,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,187,303.20 : 126,280,954.80 = 47,907,597.60 : x
  2. Step 2: Convert to fraction form
    84,187,303.20/126,280,954.80 = 47,907,597.60/x
  3. Step 3: Cross multiply
    84,187,303.20x = 126,280,954.80 × 47,907,597.60
  4. Step 4: Simplify right side
    84,187,303.20x = 6,049,817,167,102,189
  5. Step 5: Solve for x
    x = 6,049,817,167,102,189/84,187,303.20
  6. Step 6: Final answer
    x = 71,861,396.40

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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.