Home / 72,858,213.60-109,287,320.40-27,430,199.52

Finding the Fourth Proportional to 72,858,213.60, 109,287,320.40 and 27,430,199.52

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Solution

The fourth proportional to 72,858,213.60, 109,287,320.40 and 27,430,199.52 is: 41,145,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,858,213.60 : 109,287,320.40 = 27,430,199.52 : x
  2. Step 2: Convert to fraction form
    72,858,213.60/109,287,320.40 = 27,430,199.52/x
  3. Step 3: Cross multiply
    72,858,213.60x = 109,287,320.40 × 27,430,199.52
  4. Step 4: Simplify right side
    72,858,213.60x = 2,997,773,003,578,166.50
  5. Step 5: Solve for x
    x = 2,997,773,003,578,166.50/72,858,213.60
  6. Step 6: Final answer
    x = 41,145,299.28

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1.5x scale

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.