Home / 137,842,595,521.03-190,222,782,185.12-74,477,822,209.03

Finding the Fourth Proportional to 137,842,595,521.03, 190,222,782,185.12 and 74,477,822,209.03

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Solution

The fourth proportional to 137,842,595,521.03, 190,222,782,185.12 and 74,477,822,209.03 is: 102,779,394,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,842,595,521.03 : 190,222,782,185.12 = 74,477,822,209.03 : x
  2. Step 2: Convert to fraction form
    137,842,595,521.03/190,222,782,185.12 = 74,477,822,209.03/x
  3. Step 3: Cross multiply
    137,842,595,521.03x = 190,222,782,185.12 × 74,477,822,209.03
  4. Step 4: Simplify right side
    137,842,595,521.03x = 14,167,378,551,690,405,871,616
  5. Step 5: Solve for x
    x = 14,167,378,551,690,405,871,616/137,842,595,521.03
  6. Step 6: Final answer
    x = 102,779,394,846.27

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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.