Home / 201,054,704.80-301,731,356.40-79,973,053.60

Finding the Fourth Proportional to 201,054,704.80, 301,731,356.40 and 79,973,053.60

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Solution

The fourth proportional to 201,054,704.80, 301,731,356.40 and 79,973,053.60 is: 120,018,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,054,704.80 : 301,731,356.40 = 79,973,053.60 : x
  2. Step 2: Convert to fraction form
    201,054,704.80/301,731,356.40 = 79,973,053.60/x
  3. Step 3: Cross multiply
    201,054,704.80x = 301,731,356.40 × 79,973,053.60
  4. Step 4: Simplify right side
    201,054,704.80x = 24,130,377,938,177,900
  5. Step 5: Solve for x
    x = 24,130,377,938,177,900/201,054,704.80
  6. Step 6: Final answer
    x = 120,018,966.79

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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.