Home / 162,168,638.86-223,792,650.93-87,829,202.85

Finding the Fourth Proportional to 162,168,638.86, 223,792,650.93 and 87,829,202.85

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Solution

The fourth proportional to 162,168,638.86, 223,792,650.93 and 87,829,202.85 is: 121,204,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,168,638.86 : 223,792,650.93 = 87,829,202.85 : x
  2. Step 2: Convert to fraction form
    162,168,638.86/223,792,650.93 = 87,829,202.85/x
  3. Step 3: Cross multiply
    162,168,638.86x = 223,792,650.93 × 87,829,202.85
  4. Step 4: Simplify right side
    162,168,638.86x = 19,655,530,134,361,224
  5. Step 5: Solve for x
    x = 19,655,530,134,361,224/162,168,638.86
  6. Step 6: Final answer
    x = 121,204,261.64

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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.