Home / 103,980,708.48-143,497,861.72-57,570,962.44

Finding the Fourth Proportional to 103,980,708.48, 143,497,861.72 and 57,570,962.44

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Solution

The fourth proportional to 103,980,708.48, 143,497,861.72 and 57,570,962.44 is: 79,450,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,980,708.48 : 143,497,861.72 = 57,570,962.44 : x
  2. Step 2: Convert to fraction form
    103,980,708.48/143,497,861.72 = 57,570,962.44/x
  3. Step 3: Cross multiply
    103,980,708.48x = 143,497,861.72 × 57,570,962.44
  4. Step 4: Simplify right side
    103,980,708.48x = 8,261,310,007,302,433
  5. Step 5: Solve for x
    x = 8,261,310,007,302,433/103,980,708.48
  6. Step 6: Final answer
    x = 79,450,410.83

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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.