Home / 139,968,112.70-209,952,169.05-127,213,528.70

Finding the Fourth Proportional to 139,968,112.70, 209,952,169.05 and 127,213,528.70

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Solution

The fourth proportional to 139,968,112.70, 209,952,169.05 and 127,213,528.70 is: 190,820,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,112.70 : 209,952,169.05 = 127,213,528.70 : x
  2. Step 2: Convert to fraction form
    139,968,112.70/209,952,169.05 = 127,213,528.70/x
  3. Step 3: Cross multiply
    139,968,112.70x = 209,952,169.05 × 127,213,528.70
  4. Step 4: Simplify right side
    139,968,112.70x = 26,708,756,283,069,428
  5. Step 5: Solve for x
    x = 26,708,756,283,069,428/139,968,112.70
  6. Step 6: Final answer
    x = 190,820,293.05

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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.