Home / 76,081,013.53-104,980,597.67-42,588,751.86

Finding the Fourth Proportional to 76,081,013.53, 104,980,597.67 and 42,588,751.86

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Solution

The fourth proportional to 76,081,013.53, 104,980,597.67 and 42,588,751.86 is: 58,766,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,081,013.53 : 104,980,597.67 = 42,588,751.86 : x
  2. Step 2: Convert to fraction form
    76,081,013.53/104,980,597.67 = 42,588,751.86/x
  3. Step 3: Cross multiply
    76,081,013.53x = 104,980,597.67 × 42,588,751.86
  4. Step 4: Simplify right side
    76,081,013.53x = 4,470,992,623,994,919
  5. Step 5: Solve for x
    x = 4,470,992,623,994,919/76,081,013.53
  6. Step 6: Final answer
    x = 58,766,207.45

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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.