Home / 302,768,944.80-417,821,310.90-163,539,706.38

Finding the Fourth Proportional to 302,768,944.80, 417,821,310.90 and 163,539,706.38

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Solution

The fourth proportional to 302,768,944.80, 417,821,310.90 and 163,539,706.38 is: 225,684,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,768,944.80 : 417,821,310.90 = 163,539,706.38 : x
  2. Step 2: Convert to fraction form
    302,768,944.80/417,821,310.90 = 163,539,706.38/x
  3. Step 3: Cross multiply
    302,768,944.80x = 417,821,310.90 × 163,539,706.38
  4. Step 4: Simplify right side
    302,768,944.80x = 68,330,374,503,892,688
  5. Step 5: Solve for x
    x = 68,330,374,503,892,688/302,768,944.80
  6. Step 6: Final answer
    x = 225,684,885.05

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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.