Home / 94,676,812.80-142,015,219.20-69,167,644.80

Finding the Fourth Proportional to 94,676,812.80, 142,015,219.20 and 69,167,644.80

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Solution

The fourth proportional to 94,676,812.80, 142,015,219.20 and 69,167,644.80 is: 103,751,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,676,812.80 : 142,015,219.20 = 69,167,644.80 : x
  2. Step 2: Convert to fraction form
    94,676,812.80/142,015,219.20 = 69,167,644.80/x
  3. Step 3: Cross multiply
    94,676,812.80x = 142,015,219.20 × 69,167,644.80
  4. Step 4: Simplify right side
    94,676,812.80x = 9,822,858,237,819,738
  5. Step 5: Solve for x
    x = 9,822,858,237,819,738/94,676,812.80
  6. Step 6: Final answer
    x = 103,751,467.20

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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.