Home / 139,968,110.70-209,952,166.05-127,213,526.70

Finding the Fourth Proportional to 139,968,110.70, 209,952,166.05 and 127,213,526.70

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Solution

The fourth proportional to 139,968,110.70, 209,952,166.05 and 127,213,526.70 is: 190,820,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,110.70 : 209,952,166.05 = 127,213,526.70 : x
  2. Step 2: Convert to fraction form
    139,968,110.70/209,952,166.05 = 127,213,526.70/x
  3. Step 3: Cross multiply
    139,968,110.70x = 209,952,166.05 × 127,213,526.70
  4. Step 4: Simplify right side
    139,968,110.70x = 26,708,755,481,524,512
  5. Step 5: Solve for x
    x = 26,708,755,481,524,512/139,968,110.70
  6. Step 6: Final answer
    x = 190,820,290.05

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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.