Home / 291,045,617.60-436,629,079.20-97,017,310.40

Finding the Fourth Proportional to 291,045,617.60, 436,629,079.20 and 97,017,310.40

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Solution

The fourth proportional to 291,045,617.60, 436,629,079.20 and 97,017,310.40 is: 145,546,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,045,617.60 : 436,629,079.20 = 97,017,310.40 : x
  2. Step 2: Convert to fraction form
    291,045,617.60/436,629,079.20 = 97,017,310.40/x
  3. Step 3: Cross multiply
    291,045,617.60x = 436,629,079.20 × 97,017,310.40
  4. Step 4: Simplify right side
    291,045,617.60x = 42,360,578,906,412,584
  5. Step 5: Solve for x
    x = 42,360,578,906,412,584/291,045,617.60
  6. Step 6: Final answer
    x = 145,546,183.64

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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.