Home / 136,699,542-205,026,185.34-38,308,603.86

Finding the Fourth Proportional to 136,699,542, 205,026,185.34 and 38,308,603.86

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Solution

The fourth proportional to 136,699,542, 205,026,185.34 and 38,308,603.86 is: 57,456,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,699,542 : 205,026,185.34 = 38,308,603.86 : x
  2. Step 2: Convert to fraction form
    136,699,542/205,026,185.34 = 38,308,603.86/x
  3. Step 3: Cross multiply
    136,699,542x = 205,026,185.34 × 38,308,603.86
  4. Step 4: Simplify right side
    136,699,542x = 7,854,266,915,116,999
  5. Step 5: Solve for x
    x = 7,854,266,915,116,999/136,699,542
  6. Step 6: Final answer
    x = 57,456,424.51

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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.