Home / 328,012,901.70-492,025,184.55-97,984,824.90

Finding the Fourth Proportional to 328,012,901.70, 492,025,184.55 and 97,984,824.90

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Solution

The fourth proportional to 328,012,901.70, 492,025,184.55 and 97,984,824.90 is: 146,978,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,012,901.70 : 492,025,184.55 = 97,984,824.90 : x
  2. Step 2: Convert to fraction form
    328,012,901.70/492,025,184.55 = 97,984,824.90/x
  3. Step 3: Cross multiply
    328,012,901.70x = 492,025,184.55 × 97,984,824.90
  4. Step 4: Simplify right side
    328,012,901.70x = 48,211,001,554,521,936
  5. Step 5: Solve for x
    x = 48,211,001,554,521,936/328,012,901.70
  6. Step 6: Final answer
    x = 146,978,979.50

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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.