Home / 42,336,334.40-63,504,501.60-28,003,611.20

Finding the Fourth Proportional to 42,336,334.40, 63,504,501.60 and 28,003,611.20

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Solution

The fourth proportional to 42,336,334.40, 63,504,501.60 and 28,003,611.20 is: 42,005,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336,334.40 : 63,504,501.60 = 28,003,611.20 : x
  2. Step 2: Convert to fraction form
    42,336,334.40/63,504,501.60 = 28,003,611.20/x
  3. Step 3: Cross multiply
    42,336,334.40x = 63,504,501.60 × 28,003,611.20
  4. Step 4: Simplify right side
    42,336,334.40x = 1,778,355,372,256,178
  5. Step 5: Solve for x
    x = 1,778,355,372,256,178/42,336,334.40
  6. Step 6: Final answer
    x = 42,005,416.80

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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.