Home / 201,667,749.40-302,501,624.10-199,754,561.80

Finding the Fourth Proportional to 201,667,749.40, 302,501,624.10 and 199,754,561.80

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Solution

The fourth proportional to 201,667,749.40, 302,501,624.10 and 199,754,561.80 is: 299,631,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,667,749.40 : 302,501,624.10 = 199,754,561.80 : x
  2. Step 2: Convert to fraction form
    201,667,749.40/302,501,624.10 = 199,754,561.80/x
  3. Step 3: Cross multiply
    201,667,749.40x = 302,501,624.10 × 199,754,561.80
  4. Step 4: Simplify right side
    201,667,749.40x = 60,426,079,365,883,824
  5. Step 5: Solve for x
    x = 60,426,079,365,883,824/201,667,749.40
  6. Step 6: Final answer
    x = 299,631,842.70

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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.