Home / 155,535,771.44-214,645,885.92-89,456,288.12

Finding the Fourth Proportional to 155,535,771.44, 214,645,885.92 and 89,456,288.12

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Solution

The fourth proportional to 155,535,771.44, 214,645,885.92 and 89,456,288.12 is: 123,453,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,535,771.44 : 214,645,885.92 = 89,456,288.12 : x
  2. Step 2: Convert to fraction form
    155,535,771.44/214,645,885.92 = 89,456,288.12/x
  3. Step 3: Cross multiply
    155,535,771.44x = 214,645,885.92 × 89,456,288.12
  4. Step 4: Simplify right side
    155,535,771.44x = 19,201,424,214,632,172
  5. Step 5: Solve for x
    x = 19,201,424,214,632,172/155,535,771.44
  6. Step 6: Final answer
    x = 123,453,428.35

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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.