Home / 76,984,939,119.15-115,410,638,425.01-29,788,928,742.51

Finding the Fourth Proportional to 76,984,939,119.15, 115,410,638,425.01 and 29,788,928,742.51

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Solution

The fourth proportional to 76,984,939,119.15, 115,410,638,425.01 and 29,788,928,742.51 is: 44,657,556,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,984,939,119.15 : 115,410,638,425.01 = 29,788,928,742.51 : x
  2. Step 2: Convert to fraction form
    76,984,939,119.15/115,410,638,425.01 = 29,788,928,742.51/x
  3. Step 3: Cross multiply
    76,984,939,119.15x = 115,410,638,425.01 × 29,788,928,742.51
  4. Step 4: Simplify right side
    76,984,939,119.15x = 3,437,959,284,170,208,837,632
  5. Step 5: Solve for x
    x = 3,437,959,284,170,208,837,632/76,984,939,119.15
  6. Step 6: Final answer
    x = 44,657,556,705.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.