Home / 208,202,002,810.66-287,359,968,901.18-135,048,891,536.33

Finding the Fourth Proportional to 208,202,002,810.66, 287,359,968,901.18 and 135,048,891,536.33

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Solution

The fourth proportional to 208,202,002,810.66, 287,359,968,901.18 and 135,048,891,536.33 is: 186,394,197,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,202,002,810.66 : 287,359,968,901.18 = 135,048,891,536.33 : x
  2. Step 2: Convert to fraction form
    208,202,002,810.66/287,359,968,901.18 = 135,048,891,536.33/x
  3. Step 3: Cross multiply
    208,202,002,810.66x = 287,359,968,901.18 × 135,048,891,536.33
  4. Step 4: Simplify right side
    208,202,002,810.66x = 38,807,645,272,018,622,873,600
  5. Step 5: Solve for x
    x = 38,807,645,272,018,622,873,600/208,202,002,810.66
  6. Step 6: Final answer
    x = 186,394,197,693.24

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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.