Home / 139,969,206.70-209,953,810.05-127,214,622.70

Finding the Fourth Proportional to 139,969,206.70, 209,953,810.05 and 127,214,622.70

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Solution

The fourth proportional to 139,969,206.70, 209,953,810.05 and 127,214,622.70 is: 190,821,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,206.70 : 209,953,810.05 = 127,214,622.70 : x
  2. Step 2: Convert to fraction form
    139,969,206.70/209,953,810.05 = 127,214,622.70/x
  3. Step 3: Cross multiply
    139,969,206.70x = 209,953,810.05 × 127,214,622.70
  4. Step 4: Simplify right side
    139,969,206.70x = 26,709,194,729,938,220
  5. Step 5: Solve for x
    x = 26,709,194,729,938,220/139,969,206.70
  6. Step 6: Final answer
    x = 190,821,934.05

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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.