Home / 140,361,409.35-193,685,745.87-77,636,157.48

Finding the Fourth Proportional to 140,361,409.35, 193,685,745.87 and 77,636,157.48

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Solution

The fourth proportional to 140,361,409.35, 193,685,745.87 and 77,636,157.48 is: 107,130,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,361,409.35 : 193,685,745.87 = 77,636,157.48 : x
  2. Step 2: Convert to fraction form
    140,361,409.35/193,685,745.87 = 77,636,157.48/x
  3. Step 3: Cross multiply
    140,361,409.35x = 193,685,745.87 × 77,636,157.48
  4. Step 4: Simplify right side
    140,361,409.35x = 15,037,017,067,994,580
  5. Step 5: Solve for x
    x = 15,037,017,067,994,580/140,361,409.35
  6. Step 6: Final answer
    x = 107,130,707.35

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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.