Home / 140,020,053.67-193,222,608.87-77,294,804.41

Finding the Fourth Proportional to 140,020,053.67, 193,222,608.87 and 77,294,804.41

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Solution

The fourth proportional to 140,020,053.67, 193,222,608.87 and 77,294,804.41 is: 106,664,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,053.67 : 193,222,608.87 = 77,294,804.41 : x
  2. Step 2: Convert to fraction form
    140,020,053.67/193,222,608.87 = 77,294,804.41/x
  3. Step 3: Cross multiply
    140,020,053.67x = 193,222,608.87 × 77,294,804.41
  4. Step 4: Simplify right side
    140,020,053.67x = 14,935,103,760,196,580
  5. Step 5: Solve for x
    x = 14,935,103,760,196,580/140,020,053.67
  6. Step 6: Final answer
    x = 106,664,033.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.