Home / 102,308,380.59-153,460,355.14-28,530,191.98

Finding the Fourth Proportional to 102,308,380.59, 153,460,355.14 and 28,530,191.98

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Solution

The fourth proportional to 102,308,380.59, 153,460,355.14 and 28,530,191.98 is: 42,794,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,308,380.59 : 153,460,355.14 = 28,530,191.98 : x
  2. Step 2: Convert to fraction form
    102,308,380.59/153,460,355.14 = 28,530,191.98/x
  3. Step 3: Cross multiply
    102,308,380.59x = 153,460,355.14 × 28,530,191.98
  4. Step 4: Simplify right side
    102,308,380.59x = 4,378,253,393,690,668.50
  5. Step 5: Solve for x
    x = 4,378,253,393,690,668.50/102,308,380.59
  6. Step 6: Final answer
    x = 42,794,670.08

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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.