Home / 399,492,028.80-599,238,043.20-112,277,692.80

Finding the Fourth Proportional to 399,492,028.80, 599,238,043.20 and 112,277,692.80

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Solution

The fourth proportional to 399,492,028.80, 599,238,043.20 and 112,277,692.80 is: 168,416,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,492,028.80 : 599,238,043.20 = 112,277,692.80 : x
  2. Step 2: Convert to fraction form
    399,492,028.80/599,238,043.20 = 112,277,692.80/x
  3. Step 3: Cross multiply
    399,492,028.80x = 599,238,043.20 × 112,277,692.80
  4. Step 4: Simplify right side
    399,492,028.80x = 67,281,064,928,482,736
  5. Step 5: Solve for x
    x = 67,281,064,928,482,736/399,492,028.80
  6. Step 6: Final answer
    x = 168,416,539.20

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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.