Home / 268,187,977.81-370,066,204.52-155,176,896.07

Finding the Fourth Proportional to 268,187,977.81, 370,066,204.52 and 155,176,896.07

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Solution

The fourth proportional to 268,187,977.81, 370,066,204.52 and 155,176,896.07 is: 214,124,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,187,977.81 : 370,066,204.52 = 155,176,896.07 : x
  2. Step 2: Convert to fraction form
    268,187,977.81/370,066,204.52 = 155,176,896.07/x
  3. Step 3: Cross multiply
    268,187,977.81x = 370,066,204.52 × 155,176,896.07
  4. Step 4: Simplify right side
    268,187,977.81x = 57,425,724,957,043,512
  5. Step 5: Solve for x
    x = 57,425,724,957,043,512/268,187,977.81
  6. Step 6: Final answer
    x = 214,124,903.83

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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.