Home / 127,568,775.58-191,197,705.86-66,124,059.23

Finding the Fourth Proportional to 127,568,775.58, 191,197,705.86 and 66,124,059.23

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Solution

The fourth proportional to 127,568,775.58, 191,197,705.86 and 66,124,059.23 is: 99,105,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,775.58 : 191,197,705.86 = 66,124,059.23 : x
  2. Step 2: Convert to fraction form
    127,568,775.58/191,197,705.86 = 66,124,059.23/x
  3. Step 3: Cross multiply
    127,568,775.58x = 191,197,705.86 × 66,124,059.23
  4. Step 4: Simplify right side
    127,568,775.58x = 12,642,768,426,926,758
  5. Step 5: Solve for x
    x = 12,642,768,426,926,758/127,568,775.58
  6. Step 6: Final answer
    x = 99,105,508.93

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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.