Home / 145,657,699.20-218,570,529.60-54,846,460.80

Finding the Fourth Proportional to 145,657,699.20, 218,570,529.60 and 54,846,460.80

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Solution

The fourth proportional to 145,657,699.20, 218,570,529.60 and 54,846,460.80 is: 82,301,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,657,699.20 : 218,570,529.60 = 54,846,460.80 : x
  2. Step 2: Convert to fraction form
    145,657,699.20/218,570,529.60 = 54,846,460.80/x
  3. Step 3: Cross multiply
    145,657,699.20x = 218,570,529.60 × 54,846,460.80
  4. Step 4: Simplify right side
    145,657,699.20x = 11,987,819,983,741,638
  5. Step 5: Solve for x
    x = 11,987,819,983,741,638/145,657,699.20
  6. Step 6: Final answer
    x = 82,301,313.62

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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.