Home / 64,101,803.80-96,152,705.70-18,665,080.60

Finding the Fourth Proportional to 64,101,803.80, 96,152,705.70 and 18,665,080.60

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Solution

The fourth proportional to 64,101,803.80, 96,152,705.70 and 18,665,080.60 is: 27,997,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,101,803.80 : 96,152,705.70 = 18,665,080.60 : x
  2. Step 2: Convert to fraction form
    64,101,803.80/96,152,705.70 = 18,665,080.60/x
  3. Step 3: Cross multiply
    64,101,803.80x = 96,152,705.70 × 18,665,080.60
  4. Step 4: Simplify right side
    64,101,803.80x = 1,794,698,001,798,579.50
  5. Step 5: Solve for x
    x = 1,794,698,001,798,579.50/64,101,803.80
  6. Step 6: Final answer
    x = 27,997,620.90

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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.