Home / 148,529,973.60-222,794,960.40-84,828,981.60

Finding the Fourth Proportional to 148,529,973.60, 222,794,960.40 and 84,828,981.60

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Solution

The fourth proportional to 148,529,973.60, 222,794,960.40 and 84,828,981.60 is: 127,243,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,529,973.60 : 222,794,960.40 = 84,828,981.60 : x
  2. Step 2: Convert to fraction form
    148,529,973.60/222,794,960.40 = 84,828,981.60/x
  3. Step 3: Cross multiply
    148,529,973.60x = 222,794,960.40 × 84,828,981.60
  4. Step 4: Simplify right side
    148,529,973.60x = 18,899,469,596,344,328
  5. Step 5: Solve for x
    x = 18,899,469,596,344,328/148,529,973.60
  6. Step 6: Final answer
    x = 127,243,472.40

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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.