Home / 150,877,692.93-208,213,090.47-91,338,200.67

Finding the Fourth Proportional to 150,877,692.93, 208,213,090.47 and 91,338,200.67

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Solution

The fourth proportional to 150,877,692.93, 208,213,090.47 and 91,338,200.67 is: 126,047,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,877,692.93 : 208,213,090.47 = 91,338,200.67 : x
  2. Step 2: Convert to fraction form
    150,877,692.93/208,213,090.47 = 91,338,200.67/x
  3. Step 3: Cross multiply
    150,877,692.93x = 208,213,090.47 × 91,338,200.67
  4. Step 4: Simplify right side
    150,877,692.93x = 19,017,809,039,469,724
  5. Step 5: Solve for x
    x = 19,017,809,039,469,724/150,877,692.93
  6. Step 6: Final answer
    x = 126,047,851.54

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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.