Home / 126,893,681.70-190,344,661.11-60,405,684.90

Finding the Fourth Proportional to 126,893,681.70, 190,344,661.11 and 60,405,684.90

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Solution

The fourth proportional to 126,893,681.70, 190,344,661.11 and 60,405,684.90 is: 90,610,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,893,681.70 : 190,344,661.11 = 60,405,684.90 : x
  2. Step 2: Convert to fraction form
    126,893,681.70/190,344,661.11 = 60,405,684.90/x
  3. Step 3: Cross multiply
    126,893,681.70x = 190,344,661.11 × 60,405,684.90
  4. Step 4: Simplify right side
    126,893,681.70x = 11,497,899,621,407,944
  5. Step 5: Solve for x
    x = 11,497,899,621,407,944/126,893,681.70
  6. Step 6: Final answer
    x = 90,610,497.44

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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.