Home / 316,961,866.31-475,220,030.09-139,614,856.26

Finding the Fourth Proportional to 316,961,866.31, 475,220,030.09 and 139,614,856.26

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Solution

The fourth proportional to 316,961,866.31, 475,220,030.09 and 139,614,856.26 is: 209,324,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,961,866.31 : 475,220,030.09 = 139,614,856.26 : x
  2. Step 2: Convert to fraction form
    316,961,866.31/475,220,030.09 = 139,614,856.26/x
  3. Step 3: Cross multiply
    316,961,866.31x = 475,220,030.09 × 139,614,856.26
  4. Step 4: Simplify right side
    316,961,866.31x = 66,347,776,192,190,144
  5. Step 5: Solve for x
    x = 66,347,776,192,190,144/316,961,866.31
  6. Step 6: Final answer
    x = 209,324,159.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.