Home / 328,012,902.20-492,025,185.30-97,984,825.40

Finding the Fourth Proportional to 328,012,902.20, 492,025,185.30 and 97,984,825.40

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Solution

The fourth proportional to 328,012,902.20, 492,025,185.30 and 97,984,825.40 is: 146,978,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,012,902.20 : 492,025,185.30 = 97,984,825.40 : x
  2. Step 2: Convert to fraction form
    328,012,902.20/492,025,185.30 = 97,984,825.40/x
  3. Step 3: Cross multiply
    328,012,902.20x = 492,025,185.30 × 97,984,825.40
  4. Step 4: Simplify right side
    328,012,902.20x = 48,211,001,874,023,152
  5. Step 5: Solve for x
    x = 48,211,001,874,023,152/328,012,902.20
  6. Step 6: Final answer
    x = 146,978,980.25

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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.