Home / 420,041,838.24-630,062,757.36-113,333,951.16

Finding the Fourth Proportional to 420,041,838.24, 630,062,757.36 and 113,333,951.16

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Solution

The fourth proportional to 420,041,838.24, 630,062,757.36 and 113,333,951.16 is: 170,000,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,041,838.24 : 630,062,757.36 = 113,333,951.16 : x
  2. Step 2: Convert to fraction form
    420,041,838.24/630,062,757.36 = 113,333,951.16/x
  3. Step 3: Cross multiply
    420,041,838.24x = 630,062,757.36 × 113,333,951.16
  4. Step 4: Simplify right side
    420,041,838.24x = 71,407,501,770,373,168
  5. Step 5: Solve for x
    x = 71,407,501,770,373,168/420,041,838.24
  6. Step 6: Final answer
    x = 170,000,926.74

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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.