Home / 286,015,217.70-429,154,770.69-130,616,664.24

Finding the Fourth Proportional to 286,015,217.70, 429,154,770.69 and 130,616,664.24

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Solution

The fourth proportional to 286,015,217.70, 429,154,770.69 and 130,616,664.24 is: 195,985,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,015,217.70 : 429,154,770.69 = 130,616,664.24 : x
  2. Step 2: Convert to fraction form
    286,015,217.70/429,154,770.69 = 130,616,664.24/x
  3. Step 3: Cross multiply
    286,015,217.70x = 429,154,770.69 × 130,616,664.24
  4. Step 4: Simplify right side
    286,015,217.70x = 56,054,764,590,209,920
  5. Step 5: Solve for x
    x = 56,054,764,590,209,920/286,015,217.70
  6. Step 6: Final answer
    x = 195,985,252.26

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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.