Home / 305,421,263.76-421,477,801.04-166,189,626.66

Finding the Fourth Proportional to 305,421,263.76, 421,477,801.04 and 166,189,626.66

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Solution

The fourth proportional to 305,421,263.76, 421,477,801.04 and 166,189,626.66 is: 229,339,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,421,263.76 : 421,477,801.04 = 166,189,626.66 : x
  2. Step 2: Convert to fraction form
    305,421,263.76/421,477,801.04 = 166,189,626.66/x
  3. Step 3: Cross multiply
    305,421,263.76x = 421,477,801.04 × 166,189,626.66
  4. Step 4: Simplify right side
    305,421,263.76x = 70,045,238,400,315,360
  5. Step 5: Solve for x
    x = 70,045,238,400,315,360/305,421,263.76
  6. Step 6: Final answer
    x = 229,339,756.96

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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.