Home / 139,968,669.70-209,953,004.55-125,859,895.30

Finding the Fourth Proportional to 139,968,669.70, 209,953,004.55 and 125,859,895.30

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Solution

The fourth proportional to 139,968,669.70, 209,953,004.55 and 125,859,895.30 is: 188,789,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,669.70 : 209,953,004.55 = 125,859,895.30 : x
  2. Step 2: Convert to fraction form
    139,968,669.70/209,953,004.55 = 125,859,895.30/x
  3. Step 3: Cross multiply
    139,968,669.70x = 209,953,004.55 × 125,859,895.30
  4. Step 4: Simplify right side
    139,968,669.70x = 26,424,663,170,583,424
  5. Step 5: Solve for x
    x = 26,424,663,170,583,424/139,968,669.70
  6. Step 6: Final answer
    x = 188,789,842.95

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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.