Home / 139,968,795.80-209,953,193.70-49,059,579.80

Finding the Fourth Proportional to 139,968,795.80, 209,953,193.70 and 49,059,579.80

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Solution

The fourth proportional to 139,968,795.80, 209,953,193.70 and 49,059,579.80 is: 73,589,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,795.80 : 209,953,193.70 = 49,059,579.80 : x
  2. Step 2: Convert to fraction form
    139,968,795.80/209,953,193.70 = 49,059,579.80/x
  3. Step 3: Cross multiply
    139,968,795.80x = 209,953,193.70 × 49,059,579.80
  4. Step 4: Simplify right side
    139,968,795.80x = 10,300,215,460,590,006
  5. Step 5: Solve for x
    x = 10,300,215,460,590,006/139,968,795.80
  6. Step 6: Final answer
    x = 73,589,369.70

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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.