Home / 140,020,053.92-193,222,609.22-77,294,804.66

Finding the Fourth Proportional to 140,020,053.92, 193,222,609.22 and 77,294,804.66

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Solution

The fourth proportional to 140,020,053.92, 193,222,609.22 and 77,294,804.66 is: 106,664,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,053.92 : 193,222,609.22 = 77,294,804.66 : x
  2. Step 2: Convert to fraction form
    140,020,053.92/193,222,609.22 = 77,294,804.66/x
  3. Step 3: Cross multiply
    140,020,053.92x = 193,222,609.22 × 77,294,804.66
  4. Step 4: Simplify right side
    140,020,053.92x = 14,935,103,835,168,940
  5. Step 5: Solve for x
    x = 14,935,103,835,168,940/140,020,053.92
  6. Step 6: Final answer
    x = 106,664,034.31

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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.