Home / 219,792,652.34-303,314,457.05-120,679,819.38

Finding the Fourth Proportional to 219,792,652.34, 303,314,457.05 and 120,679,819.38

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Solution

The fourth proportional to 219,792,652.34, 303,314,457.05 and 120,679,819.38 is: 166,538,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,792,652.34 : 303,314,457.05 = 120,679,819.38 : x
  2. Step 2: Convert to fraction form
    219,792,652.34/303,314,457.05 = 120,679,819.38/x
  3. Step 3: Cross multiply
    219,792,652.34x = 303,314,457.05 × 120,679,819.38
  4. Step 4: Simplify right side
    219,792,652.34x = 36,603,933,891,533,368
  5. Step 5: Solve for x
    x = 36,603,933,891,533,368/219,792,652.34
  6. Step 6: Final answer
    x = 166,538,478.44

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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.