Home / 140,361,370.96-193,685,692.92-77,636,119

Finding the Fourth Proportional to 140,361,370.96, 193,685,692.92 and 77,636,119

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Solution

The fourth proportional to 140,361,370.96, 193,685,692.92 and 77,636,119 is: 107,130,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,361,370.96 : 193,685,692.92 = 77,636,119 : x
  2. Step 2: Convert to fraction form
    140,361,370.96/193,685,692.92 = 77,636,119/x
  3. Step 3: Cross multiply
    140,361,370.96x = 193,685,692.92 × 77,636,119
  4. Step 4: Simplify right side
    140,361,370.96x = 15,037,005,504,134,576
  5. Step 5: Solve for x
    x = 15,037,005,504,134,576/140,361,370.96
  6. Step 6: Final answer
    x = 107,130,654.26

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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.