Home / 76,621,774.76-105,738,021.48-41,814,465.28

Finding the Fourth Proportional to 76,621,774.76, 105,738,021.48 and 41,814,465.28

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Solution

The fourth proportional to 76,621,774.76, 105,738,021.48 and 41,814,465.28 is: 57,703,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,621,774.76 : 105,738,021.48 = 41,814,465.28 : x
  2. Step 2: Convert to fraction form
    76,621,774.76/105,738,021.48 = 41,814,465.28/x
  3. Step 3: Cross multiply
    76,621,774.76x = 105,738,021.48 × 41,814,465.28
  4. Step 4: Simplify right side
    76,621,774.76x = 4,421,378,827,951,354.50
  5. Step 5: Solve for x
    x = 4,421,378,827,951,354.50/76,621,774.76
  6. Step 6: Final answer
    x = 57,703,946.98

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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.