Home / 208,171,550.60-287,276,741.73-115,352,058.41

Finding the Fourth Proportional to 208,171,550.60, 287,276,741.73 and 115,352,058.41

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Solution

The fourth proportional to 208,171,550.60, 287,276,741.73 and 115,352,058.41 is: 159,185,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,171,550.60 : 287,276,741.73 = 115,352,058.41 : x
  2. Step 2: Convert to fraction form
    208,171,550.60/287,276,741.73 = 115,352,058.41/x
  3. Step 3: Cross multiply
    208,171,550.60x = 287,276,741.73 × 115,352,058.41
  4. Step 4: Simplify right side
    208,171,550.60x = 33,137,963,490,437,064
  5. Step 5: Solve for x
    x = 33,137,963,490,437,064/208,171,550.60
  6. Step 6: Final answer
    x = 159,185,841.66

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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.