Home / 146,020,178-219,245,581.56-81,450,140.24

Finding the Fourth Proportional to 146,020,178, 219,245,581.56 and 81,450,140.24

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Solution

The fourth proportional to 146,020,178, 219,245,581.56 and 81,450,140.24 is: 122,295,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,020,178 : 219,245,581.56 = 81,450,140.24 : x
  2. Step 2: Convert to fraction form
    146,020,178/219,245,581.56 = 81,450,140.24/x
  3. Step 3: Cross multiply
    146,020,178x = 219,245,581.56 × 81,450,140.24
  4. Step 4: Simplify right side
    146,020,178x = 17,857,583,365,062,356
  5. Step 5: Solve for x
    x = 17,857,583,365,062,356/146,020,178
  6. Step 6: Final answer
    x = 122,295,312.95

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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.