Home / 127,104,042.40-190,734,860.40-66,563,216.80

Finding the Fourth Proportional to 127,104,042.40, 190,734,860.40 and 66,563,216.80

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Solution

The fourth proportional to 127,104,042.40, 190,734,860.40 and 66,563,216.80 is: 99,886,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,042.40 : 190,734,860.40 = 66,563,216.80 : x
  2. Step 2: Convert to fraction form
    127,104,042.40/190,734,860.40 = 66,563,216.80/x
  3. Step 3: Cross multiply
    127,104,042.40x = 190,734,860.40 × 66,563,216.80
  4. Step 4: Simplify right side
    127,104,042.40x = 12,695,925,864,122,934
  5. Step 5: Solve for x
    x = 12,695,925,864,122,934/127,104,042.40
  6. Step 6: Final answer
    x = 99,886,090.36

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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.