Home / 127,237,190.11-175,588,026.51-71,484,961.39

Finding the Fourth Proportional to 127,237,190.11, 175,588,026.51 and 71,484,961.39

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Solution

The fourth proportional to 127,237,190.11, 175,588,026.51 and 71,484,961.39 is: 98,649,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,237,190.11 : 175,588,026.51 = 71,484,961.39 : x
  2. Step 2: Convert to fraction form
    127,237,190.11/175,588,026.51 = 71,484,961.39/x
  3. Step 3: Cross multiply
    127,237,190.11x = 175,588,026.51 × 71,484,961.39
  4. Step 4: Simplify right side
    127,237,190.11x = 12,551,903,295,442,744
  5. Step 5: Solve for x
    x = 12,551,903,295,442,744/127,237,190.11
  6. Step 6: Final answer
    x = 98,649,642.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.