Home / 140,019,813.14-193,222,277.87-77,294,564.33

Finding the Fourth Proportional to 140,019,813.14, 193,222,277.87 and 77,294,564.33

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Solution

The fourth proportional to 140,019,813.14, 193,222,277.87 and 77,294,564.33 is: 106,663,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,019,813.14 : 193,222,277.87 = 77,294,564.33 : x
  2. Step 2: Convert to fraction form
    140,019,813.14/193,222,277.87 = 77,294,564.33/x
  3. Step 3: Cross multiply
    140,019,813.14x = 193,222,277.87 × 77,294,564.33
  4. Step 4: Simplify right side
    140,019,813.14x = 14,935,031,785,459,268
  5. Step 5: Solve for x
    x = 14,935,031,785,459,268/140,019,813.14
  6. Step 6: Final answer
    x = 106,663,703.17

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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.