Home / 290,177,277.12-400,444,667.52-158,018,233.98

Finding the Fourth Proportional to 290,177,277.12, 400,444,667.52 and 158,018,233.98

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Solution

The fourth proportional to 290,177,277.12, 400,444,667.52 and 158,018,233.98 is: 218,065,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,177,277.12 : 400,444,667.52 = 158,018,233.98 : x
  2. Step 2: Convert to fraction form
    290,177,277.12/400,444,667.52 = 158,018,233.98/x
  3. Step 3: Cross multiply
    290,177,277.12x = 400,444,667.52 × 158,018,233.98
  4. Step 4: Simplify right side
    290,177,277.12x = 63,277,559,168,218,656
  5. Step 5: Solve for x
    x = 63,277,559,168,218,656/290,177,277.12
  6. Step 6: Final answer
    x = 218,065,176.56

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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.