Home / 67,219,922.80-100,745,903.40-49,248,031.60

Finding the Fourth Proportional to 67,219,922.80, 100,745,903.40 and 49,248,031.60

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Solution

The fourth proportional to 67,219,922.80, 100,745,903.40 and 49,248,031.60 is: 73,810,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,219,922.80 : 100,745,903.40 = 49,248,031.60 : x
  2. Step 2: Convert to fraction form
    67,219,922.80/100,745,903.40 = 49,248,031.60/x
  3. Step 3: Cross multiply
    67,219,922.80x = 100,745,903.40 × 49,248,031.60
  4. Step 4: Simplify right side
    67,219,922.80x = 4,961,537,434,213,748
  5. Step 5: Solve for x
    x = 4,961,537,434,213,748/67,219,922.80
  6. Step 6: Final answer
    x = 73,810,519.67

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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.