Home / 76,149,619.80-114,289,748.10-30,744,000.60

Finding the Fourth Proportional to 76,149,619.80, 114,289,748.10 and 30,744,000.60

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Solution

The fourth proportional to 76,149,619.80, 114,289,748.10 and 30,744,000.60 is: 46,142,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,149,619.80 : 114,289,748.10 = 30,744,000.60 : x
  2. Step 2: Convert to fraction form
    76,149,619.80/114,289,748.10 = 30,744,000.60/x
  3. Step 3: Cross multiply
    76,149,619.80x = 114,289,748.10 × 30,744,000.60
  4. Step 4: Simplify right side
    76,149,619.80x = 3,513,724,084,160,249
  5. Step 5: Solve for x
    x = 3,513,724,084,160,249/76,149,619.80
  6. Step 6: Final answer
    x = 46,142,372.00

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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.