Home / 128,160,534.70-192,240,802.05-41,907,660.40

Finding the Fourth Proportional to 128,160,534.70, 192,240,802.05 and 41,907,660.40

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Solution

The fourth proportional to 128,160,534.70, 192,240,802.05 and 41,907,660.40 is: 62,861,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,160,534.70 : 192,240,802.05 = 41,907,660.40 : x
  2. Step 2: Convert to fraction form
    128,160,534.70/192,240,802.05 = 41,907,660.40/x
  3. Step 3: Cross multiply
    128,160,534.70x = 192,240,802.05 × 41,907,660.40
  4. Step 4: Simplify right side
    128,160,534.70x = 8,056,362,247,335,024
  5. Step 5: Solve for x
    x = 8,056,362,247,335,024/128,160,534.70
  6. Step 6: Final answer
    x = 62,861,490.60

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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.