Home / 127,568,775.96-191,197,706.45-66,124,059.62

Finding the Fourth Proportional to 127,568,775.96, 191,197,706.45 and 66,124,059.62

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Solution

The fourth proportional to 127,568,775.96, 191,197,706.45 and 66,124,059.62 is: 99,105,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,775.96 : 191,197,706.45 = 66,124,059.62 : x
  2. Step 2: Convert to fraction form
    127,568,775.96/191,197,706.45 = 66,124,059.62/x
  3. Step 3: Cross multiply
    127,568,775.96x = 191,197,706.45 × 66,124,059.62
  4. Step 4: Simplify right side
    127,568,775.96x = 12,642,768,540,507,058
  5. Step 5: Solve for x
    x = 12,642,768,540,507,058/127,568,775.96
  6. Step 6: Final answer
    x = 99,105,509.52

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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.