Home / 137,842,595,418.60-190,222,782,043.79-74,477,822,106.58

Finding the Fourth Proportional to 137,842,595,418.60, 190,222,782,043.79 and 74,477,822,106.58

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Solution

The fourth proportional to 137,842,595,418.60, 190,222,782,043.79 and 74,477,822,106.58 is: 102,779,394,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,842,595,418.60 : 190,222,782,043.79 = 74,477,822,106.58 : x
  2. Step 2: Convert to fraction form
    137,842,595,418.60/190,222,782,043.79 = 74,477,822,106.58/x
  3. Step 3: Cross multiply
    137,842,595,418.60x = 190,222,782,043.79 × 74,477,822,106.58
  4. Step 4: Simplify right side
    137,842,595,418.60x = 14,167,378,521,676,893,388,800
  5. Step 5: Solve for x
    x = 14,167,378,521,676,893,388,800/137,842,595,418.60
  6. Step 6: Final answer
    x = 102,779,394,704.91

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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.