Home / 70,198,830.72-105,241,197.78-29,288,763.36

Finding the Fourth Proportional to 70,198,830.72, 105,241,197.78 and 29,288,763.36

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Solution

The fourth proportional to 70,198,830.72, 105,241,197.78 and 29,288,763.36 is: 43,909,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,198,830.72 : 105,241,197.78 = 29,288,763.36 : x
  2. Step 2: Convert to fraction form
    70,198,830.72/105,241,197.78 = 29,288,763.36/x
  3. Step 3: Cross multiply
    70,198,830.72x = 105,241,197.78 × 29,288,763.36
  4. Step 4: Simplify right side
    70,198,830.72x = 3,082,384,537,501,377.50
  5. Step 5: Solve for x
    x = 3,082,384,537,501,377.50/70,198,830.72
  6. Step 6: Final answer
    x = 43,909,343.02

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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.