Home / 137,842,595,518.53-190,222,782,181.67-74,477,822,206.53

Finding the Fourth Proportional to 137,842,595,518.53, 190,222,782,181.67 and 74,477,822,206.53

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Solution

The fourth proportional to 137,842,595,518.53, 190,222,782,181.67 and 74,477,822,206.53 is: 102,779,394,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,842,595,518.53 : 190,222,782,181.67 = 74,477,822,206.53 : x
  2. Step 2: Convert to fraction form
    137,842,595,518.53/190,222,782,181.67 = 74,477,822,206.53/x
  3. Step 3: Cross multiply
    137,842,595,518.53x = 190,222,782,181.67 × 74,477,822,206.53
  4. Step 4: Simplify right side
    137,842,595,518.53x = 14,167,378,550,957,902,135,296
  5. Step 5: Solve for x
    x = 14,167,378,550,957,902,135,296/137,842,595,518.53
  6. Step 6: Final answer
    x = 102,779,394,842.82

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1.5x scale

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.