Home / 76,615,057.15-105,731,022-41,809,990.98

Finding the Fourth Proportional to 76,615,057.15, 105,731,022 and 41,809,990.98

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Solution

The fourth proportional to 76,615,057.15, 105,731,022 and 41,809,990.98 is: 57,699,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,057.15 : 105,731,022 = 41,809,990.98 : x
  2. Step 2: Convert to fraction form
    76,615,057.15/105,731,022 = 41,809,990.98/x
  3. Step 3: Cross multiply
    76,615,057.15x = 105,731,022 × 41,809,990.98
  4. Step 4: Simplify right side
    76,615,057.15x = 4,420,613,075,597,526.50
  5. Step 5: Solve for x
    x = 4,420,613,075,597,526.50/76,615,057.15
  6. Step 6: Final answer
    x = 57,699,011.66

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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.