Home / 78,691,484.40-118,037,226.60-49,993,670.40

Finding the Fourth Proportional to 78,691,484.40, 118,037,226.60 and 49,993,670.40

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Solution

The fourth proportional to 78,691,484.40, 118,037,226.60 and 49,993,670.40 is: 74,990,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,691,484.40 : 118,037,226.60 = 49,993,670.40 : x
  2. Step 2: Convert to fraction form
    78,691,484.40/118,037,226.60 = 49,993,670.40/x
  3. Step 3: Cross multiply
    78,691,484.40x = 118,037,226.60 × 49,993,670.40
  4. Step 4: Simplify right side
    78,691,484.40x = 5,901,114,201,570,512
  5. Step 5: Solve for x
    x = 5,901,114,201,570,512/78,691,484.40
  6. Step 6: Final answer
    x = 74,990,505.60

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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.