Home / 120,102,923.34-180,170,496.42-42,361,552.32

Finding the Fourth Proportional to 120,102,923.34, 180,170,496.42 and 42,361,552.32

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Solution

The fourth proportional to 120,102,923.34, 180,170,496.42 and 42,361,552.32 is: 63,548,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,102,923.34 : 180,170,496.42 = 42,361,552.32 : x
  2. Step 2: Convert to fraction form
    120,102,923.34/180,170,496.42 = 42,361,552.32/x
  3. Step 3: Cross multiply
    120,102,923.34x = 180,170,496.42 × 42,361,552.32
  4. Step 4: Simplify right side
    120,102,923.34x = 7,632,301,910,616,202
  5. Step 5: Solve for x
    x = 7,632,301,910,616,202/120,102,923.34
  6. Step 6: Final answer
    x = 63,548,011.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.