Home / 127,323,127.04-190,965,502.60-81,584,619.44

Finding the Fourth Proportional to 127,323,127.04, 190,965,502.60 and 81,584,619.44

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Solution

The fourth proportional to 127,323,127.04, 190,965,502.60 and 81,584,619.44 is: 122,364,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,323,127.04 : 190,965,502.60 = 81,584,619.44 : x
  2. Step 2: Convert to fraction form
    127,323,127.04/190,965,502.60 = 81,584,619.44/x
  3. Step 3: Cross multiply
    127,323,127.04x = 190,965,502.60 × 81,584,619.44
  4. Step 4: Simplify right side
    127,323,127.04x = 15,579,847,855,789,330
  5. Step 5: Solve for x
    x = 15,579,847,855,789,330/127,323,127.04
  6. Step 6: Final answer
    x = 122,364,634.12

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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.