Home / 221,467,518.70-332,124,346.63-123,249,110.83

Finding the Fourth Proportional to 221,467,518.70, 332,124,346.63 and 123,249,110.83

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Solution

The fourth proportional to 221,467,518.70, 332,124,346.63 and 123,249,110.83 is: 184,830,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,467,518.70 : 332,124,346.63 = 123,249,110.83 : x
  2. Step 2: Convert to fraction form
    221,467,518.70/332,124,346.63 = 123,249,110.83/x
  3. Step 3: Cross multiply
    221,467,518.70x = 332,124,346.63 × 123,249,110.83
  4. Step 4: Simplify right side
    221,467,518.70x = 40,934,030,407,142,208
  5. Step 5: Solve for x
    x = 40,934,030,407,142,208/221,467,518.70
  6. Step 6: Final answer
    x = 184,830,853.06

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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.