Home / 201,855,485.30-302,924,945.55-86,922,511.70

Finding the Fourth Proportional to 201,855,485.30, 302,924,945.55 and 86,922,511.70

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Solution

The fourth proportional to 201,855,485.30, 302,924,945.55 and 86,922,511.70 is: 130,444,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,855,485.30 : 302,924,945.55 = 86,922,511.70 : x
  2. Step 2: Convert to fraction form
    201,855,485.30/302,924,945.55 = 86,922,511.70/x
  3. Step 3: Cross multiply
    201,855,485.30x = 302,924,945.55 × 86,922,511.70
  4. Step 4: Simplify right side
    201,855,485.30x = 26,330,997,123,791,740
  5. Step 5: Solve for x
    x = 26,330,997,123,791,740/201,855,485.30
  6. Step 6: Final answer
    x = 130,444,793.63

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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.