Home / 76,531,051.56-105,547,876.29-64,667,983.53

Finding the Fourth Proportional to 76,531,051.56, 105,547,876.29 and 64,667,983.53

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Solution

The fourth proportional to 76,531,051.56, 105,547,876.29 and 64,667,983.53 is: 89,186,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,531,051.56 : 105,547,876.29 = 64,667,983.53 : x
  2. Step 2: Convert to fraction form
    76,531,051.56/105,547,876.29 = 64,667,983.53/x
  3. Step 3: Cross multiply
    76,531,051.56x = 105,547,876.29 × 64,667,983.53
  4. Step 4: Simplify right side
    76,531,051.56x = 6,825,568,325,548,198
  5. Step 5: Solve for x
    x = 6,825,568,325,548,198/76,531,051.56
  6. Step 6: Final answer
    x = 89,186,914.15

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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.