Home / 102,308,409.20-153,460,398.08-28,530,220.64

Finding the Fourth Proportional to 102,308,409.20, 153,460,398.08 and 28,530,220.64

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Solution

The fourth proportional to 102,308,409.20, 153,460,398.08 and 28,530,220.64 is: 42,794,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,308,409.20 : 153,460,398.08 = 28,530,220.64 : x
  2. Step 2: Convert to fraction form
    102,308,409.20/153,460,398.08 = 28,530,220.64/x
  3. Step 3: Cross multiply
    102,308,409.20x = 153,460,398.08 × 28,530,220.64
  4. Step 4: Simplify right side
    102,308,409.20x = 4,378,259,016,724,633
  5. Step 5: Solve for x
    x = 4,378,259,016,724,633/102,308,409.20
  6. Step 6: Final answer
    x = 42,794,713.07

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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.