Home / 136,338,624,196.80-204,378,941,786.40-80,484,001,886.40

Finding the Fourth Proportional to 136,338,624,196.80, 204,378,941,786.40 and 80,484,001,886.40

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Solution

The fourth proportional to 136,338,624,196.80, 204,378,941,786.40 and 80,484,001,886.40 is: 120,649,854,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,338,624,196.80 : 204,378,941,786.40 = 80,484,001,886.40 : x
  2. Step 2: Convert to fraction form
    136,338,624,196.80/204,378,941,786.40 = 80,484,001,886.40/x
  3. Step 3: Cross multiply
    136,338,624,196.80x = 204,378,941,786.40 × 80,484,001,886.40
  4. Step 4: Simplify right side
    136,338,624,196.80x = 16,449,235,136,277,051,867,136
  5. Step 5: Solve for x
    x = 16,449,235,136,277,051,867,136/136,338,624,196.80
  6. Step 6: Final answer
    x = 120,649,854,237.44

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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.