Home / 102,308,380.74-153,460,355.36-28,530,192.13

Finding the Fourth Proportional to 102,308,380.74, 153,460,355.36 and 28,530,192.13

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Solution

The fourth proportional to 102,308,380.74, 153,460,355.36 and 28,530,192.13 is: 42,794,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,308,380.74 : 153,460,355.36 = 28,530,192.13 : x
  2. Step 2: Convert to fraction form
    102,308,380.74/153,460,355.36 = 28,530,192.13/x
  3. Step 3: Cross multiply
    102,308,380.74x = 153,460,355.36 × 28,530,192.13
  4. Step 4: Simplify right side
    102,308,380.74x = 4,378,253,422,232,573.50
  5. Step 5: Solve for x
    x = 4,378,253,422,232,573.50/102,308,380.74
  6. Step 6: Final answer
    x = 42,794,670.30

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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.