Home / 302,414,458.40-453,323,089.20-148,934,880.80

Finding the Fourth Proportional to 302,414,458.40, 453,323,089.20 and 148,934,880.80

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Solution

The fourth proportional to 302,414,458.40, 453,323,089.20 and 148,934,880.80 is: 223,255,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,414,458.40 : 453,323,089.20 = 148,934,880.80 : x
  2. Step 2: Convert to fraction form
    302,414,458.40/453,323,089.20 = 148,934,880.80/x
  3. Step 3: Cross multiply
    302,414,458.40x = 453,323,089.20 × 148,934,880.80
  4. Step 4: Simplify right side
    302,414,458.40x = 67,515,620,253,889,768
  5. Step 5: Solve for x
    x = 67,515,620,253,889,768/302,414,458.40
  6. Step 6: Final answer
    x = 223,255,265.67

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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.