Home / 127,090,425.40-190,664,156.58-40,833,745.72

Finding the Fourth Proportional to 127,090,425.40, 190,664,156.58 and 40,833,745.72

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Solution

The fourth proportional to 127,090,425.40, 190,664,156.58 and 40,833,745.72 is: 61,259,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090,425.40 : 190,664,156.58 = 40,833,745.72 : x
  2. Step 2: Convert to fraction form
    127,090,425.40/190,664,156.58 = 40,833,745.72/x
  3. Step 3: Cross multiply
    127,090,425.40x = 190,664,156.58 × 40,833,745.72
  4. Step 4: Simplify right side
    127,090,425.40x = 7,785,531,687,705,985
  5. Step 5: Solve for x
    x = 7,785,531,687,705,985/127,090,425.40
  6. Step 6: Final answer
    x = 61,259,781.48

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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.