Home / 192,457,153.40-288,685,730.10-115,740,692.60

Finding the Fourth Proportional to 192,457,153.40, 288,685,730.10 and 115,740,692.60

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Solution

The fourth proportional to 192,457,153.40, 288,685,730.10 and 115,740,692.60 is: 173,611,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,153.40 : 288,685,730.10 = 115,740,692.60 : x
  2. Step 2: Convert to fraction form
    192,457,153.40/288,685,730.10 = 115,740,692.60/x
  3. Step 3: Cross multiply
    192,457,153.40x = 288,685,730.10 × 115,740,692.60
  4. Step 4: Simplify right side
    192,457,153.40x = 33,412,686,345,510,668
  5. Step 5: Solve for x
    x = 33,412,686,345,510,668/192,457,153.40
  6. Step 6: Final answer
    x = 173,611,038.90

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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.