Home / 290,898,747.37-401,448,789.53-158,748,259.47

Finding the Fourth Proportional to 290,898,747.37, 401,448,789.53 and 158,748,259.47

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Solution

The fourth proportional to 290,898,747.37, 401,448,789.53 and 158,748,259.47 is: 219,077,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,898,747.37 : 401,448,789.53 = 158,748,259.47 : x
  2. Step 2: Convert to fraction form
    290,898,747.37/401,448,789.53 = 158,748,259.47/x
  3. Step 3: Cross multiply
    290,898,747.37x = 401,448,789.53 × 158,748,259.47
  4. Step 4: Simplify right side
    290,898,747.37x = 63,729,296,604,225,856
  5. Step 5: Solve for x
    x = 63,729,296,604,225,856/290,898,747.37
  6. Step 6: Final answer
    x = 219,077,246.57

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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.