Home / 353,281,481.03-530,148,969.72-171,429,456.71

Finding the Fourth Proportional to 353,281,481.03, 530,148,969.72 and 171,429,456.71

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Solution

The fourth proportional to 353,281,481.03, 530,148,969.72 and 171,429,456.71 is: 257,254,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,281,481.03 : 530,148,969.72 = 171,429,456.71 : x
  2. Step 2: Convert to fraction form
    353,281,481.03/530,148,969.72 = 171,429,456.71/x
  3. Step 3: Cross multiply
    353,281,481.03x = 530,148,969.72 × 171,429,456.71
  4. Step 4: Simplify right side
    353,281,481.03x = 90,883,149,854,465,856
  5. Step 5: Solve for x
    x = 90,883,149,854,465,856/353,281,481.03
  6. Step 6: Final answer
    x = 257,254,214.37

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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.