Home / 208,062,670.77-287,126,480.43-115,249,157.34

Finding the Fourth Proportional to 208,062,670.77, 287,126,480.43 and 115,249,157.34

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Solution

The fourth proportional to 208,062,670.77, 287,126,480.43 and 115,249,157.34 is: 159,043,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,062,670.77 : 287,126,480.43 = 115,249,157.34 : x
  2. Step 2: Convert to fraction form
    208,062,670.77/287,126,480.43 = 115,249,157.34/x
  3. Step 3: Cross multiply
    208,062,670.77x = 287,126,480.43 × 115,249,157.34
  4. Step 4: Simplify right side
    208,062,670.77x = 33,091,084,919,557,504
  5. Step 5: Solve for x
    x = 33,091,084,919,557,504/208,062,670.77
  6. Step 6: Final answer
    x = 159,043,834.23

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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.