Home / 98,976,696.60-136,590,973.62-57,160,005.42

Finding the Fourth Proportional to 98,976,696.60, 136,590,973.62 and 57,160,005.42

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Solution

The fourth proportional to 98,976,696.60, 136,590,973.62 and 57,160,005.42 is: 78,882,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,976,696.60 : 136,590,973.62 = 57,160,005.42 : x
  2. Step 2: Convert to fraction form
    98,976,696.60/136,590,973.62 = 57,160,005.42/x
  3. Step 3: Cross multiply
    98,976,696.60x = 136,590,973.62 × 57,160,005.42
  4. Step 4: Simplify right side
    98,976,696.60x = 7,807,540,792,442,278
  5. Step 5: Solve for x
    x = 7,807,540,792,442,278/98,976,696.60
  6. Step 6: Final answer
    x = 78,882,616.42

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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.