Home / 305,497,430.10-458,246,145.15-111,415,176.90

Finding the Fourth Proportional to 305,497,430.10, 458,246,145.15 and 111,415,176.90

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Solution

The fourth proportional to 305,497,430.10, 458,246,145.15 and 111,415,176.90 is: 167,122,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,497,430.10 : 458,246,145.15 = 111,415,176.90 : x
  2. Step 2: Convert to fraction form
    305,497,430.10/458,246,145.15 = 111,415,176.90/x
  3. Step 3: Cross multiply
    305,497,430.10x = 458,246,145.15 × 111,415,176.90
  4. Step 4: Simplify right side
    305,497,430.10x = 51,055,575,325,630,328
  5. Step 5: Solve for x
    x = 51,055,575,325,630,328/305,497,430.10
  6. Step 6: Final answer
    x = 167,122,765.35

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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.