Home / 76,121,547.80-105,047,839.78-41,314,238.73

Finding the Fourth Proportional to 76,121,547.80, 105,047,839.78 and 41,314,238.73

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Solution

The fourth proportional to 76,121,547.80, 105,047,839.78 and 41,314,238.73 is: 57,013,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,547.80 : 105,047,839.78 = 41,314,238.73 : x
  2. Step 2: Convert to fraction form
    76,121,547.80/105,047,839.78 = 41,314,238.73/x
  3. Step 3: Cross multiply
    76,121,547.80x = 105,047,839.78 × 41,314,238.73
  4. Step 4: Simplify right side
    76,121,547.80x = 4,339,971,530,638,425
  5. Step 5: Solve for x
    x = 4,339,971,530,638,425/76,121,547.80
  6. Step 6: Final answer
    x = 57,013,705.79

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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.