Home / 127,739,761.90-191,606,891.78-35,621,045.60

Finding the Fourth Proportional to 127,739,761.90, 191,606,891.78 and 35,621,045.60

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Solution

The fourth proportional to 127,739,761.90, 191,606,891.78 and 35,621,045.60 is: 53,430,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,739,761.90 : 191,606,891.78 = 35,621,045.60 : x
  2. Step 2: Convert to fraction form
    127,739,761.90/191,606,891.78 = 35,621,045.60/x
  3. Step 3: Cross multiply
    127,739,761.90x = 191,606,891.78 × 35,621,045.60
  4. Step 4: Simplify right side
    127,739,761.90x = 6,825,237,828,500,663
  5. Step 5: Solve for x
    x = 6,825,237,828,500,663/127,739,761.90
  6. Step 6: Final answer
    x = 53,430,801.24

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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.