Home / 201,054,705.80-301,731,357.90-79,973,054.60

Finding the Fourth Proportional to 201,054,705.80, 301,731,357.90 and 79,973,054.60

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Solution

The fourth proportional to 201,054,705.80, 301,731,357.90 and 79,973,054.60 is: 120,018,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,054,705.80 : 301,731,357.90 = 79,973,054.60 : x
  2. Step 2: Convert to fraction form
    201,054,705.80/301,731,357.90 = 79,973,054.60/x
  3. Step 3: Cross multiply
    201,054,705.80x = 301,731,357.90 × 79,973,054.60
  4. Step 4: Simplify right side
    201,054,705.80x = 24,130,378,359,868,836
  5. Step 5: Solve for x
    x = 24,130,378,359,868,836/201,054,705.80
  6. Step 6: Final answer
    x = 120,018,968.29

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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.