Home / 290,548,536.99-400,953,667.52-158,386,617.96

Finding the Fourth Proportional to 290,548,536.99, 400,953,667.52 and 158,386,617.96

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Solution

The fourth proportional to 290,548,536.99, 400,953,667.52 and 158,386,617.96 is: 218,571,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,548,536.99 : 400,953,667.52 = 158,386,617.96 : x
  2. Step 2: Convert to fraction form
    290,548,536.99/400,953,667.52 = 158,386,617.96/x
  3. Step 3: Cross multiply
    290,548,536.99x = 400,953,667.52 × 158,386,617.96
  4. Step 4: Simplify right side
    290,548,536.99x = 63,505,695,356,359,168
  5. Step 5: Solve for x
    x = 63,505,695,356,359,168/290,548,536.99
  6. Step 6: Final answer
    x = 218,571,726.48

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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.