Home / 311,520,412.40-467,280,618.60-158,465,404.40

Finding the Fourth Proportional to 311,520,412.40, 467,280,618.60 and 158,465,404.40

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Solution

The fourth proportional to 311,520,412.40, 467,280,618.60 and 158,465,404.40 is: 237,698,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,520,412.40 : 467,280,618.60 = 158,465,404.40 : x
  2. Step 2: Convert to fraction form
    311,520,412.40/467,280,618.60 = 158,465,404.40/x
  3. Step 3: Cross multiply
    311,520,412.40x = 467,280,618.60 × 158,465,404.40
  4. Step 4: Simplify right side
    311,520,412.40x = 74,047,812,194,731,168
  5. Step 5: Solve for x
    x = 74,047,812,194,731,168/311,520,412.40
  6. Step 6: Final answer
    x = 237,698,106.60

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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.