Home / 302,558,071.20-453,774,121.20-130,040,512.80

Finding the Fourth Proportional to 302,558,071.20, 453,774,121.20 and 130,040,512.80

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Solution

The fourth proportional to 302,558,071.20, 453,774,121.20 and 130,040,512.80 is: 195,033,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,558,071.20 : 453,774,121.20 = 130,040,512.80 : x
  2. Step 2: Convert to fraction form
    302,558,071.20/453,774,121.20 = 130,040,512.80/x
  3. Step 3: Cross multiply
    302,558,071.20x = 453,774,121.20 × 130,040,512.80
  4. Step 4: Simplify right side
    302,558,071.20x = 59,009,019,416,217,352
  5. Step 5: Solve for x
    x = 59,009,019,416,217,352/302,558,071.20
  6. Step 6: Final answer
    x = 195,033,697.77

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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.