Home / 265,890,022.80-366,989,453.64-155,917,165.20

Finding the Fourth Proportional to 265,890,022.80, 366,989,453.64 and 155,917,165.20

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Solution

The fourth proportional to 265,890,022.80, 366,989,453.64 and 155,917,165.20 is: 215,201,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,022.80 : 366,989,453.64 = 155,917,165.20 : x
  2. Step 2: Convert to fraction form
    265,890,022.80/366,989,453.64 = 155,917,165.20/x
  3. Step 3: Cross multiply
    265,890,022.80x = 366,989,453.64 × 155,917,165.20
  4. Step 4: Simplify right side
    265,890,022.80x = 57,219,955,269,845,616
  5. Step 5: Solve for x
    x = 57,219,955,269,845,616/265,890,022.80
  6. Step 6: Final answer
    x = 215,201,588.49

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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.