Home / 127,203,037.90-190,804,556.85-86,892,253.90

Finding the Fourth Proportional to 127,203,037.90, 190,804,556.85 and 86,892,253.90

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Solution

The fourth proportional to 127,203,037.90, 190,804,556.85 and 86,892,253.90 is: 130,338,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,203,037.90 : 190,804,556.85 = 86,892,253.90 : x
  2. Step 2: Convert to fraction form
    127,203,037.90/190,804,556.85 = 86,892,253.90/x
  3. Step 3: Cross multiply
    127,203,037.90x = 190,804,556.85 × 86,892,253.90
  4. Step 4: Simplify right side
    127,203,037.90x = 16,579,437,999,087,184
  5. Step 5: Solve for x
    x = 16,579,437,999,087,184/127,203,037.90
  6. Step 6: Final answer
    x = 130,338,380.85

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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.