Home / 139,968,148.70-209,952,223.05-127,213,564.70

Finding the Fourth Proportional to 139,968,148.70, 209,952,223.05 and 127,213,564.70

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Solution

The fourth proportional to 139,968,148.70, 209,952,223.05 and 127,213,564.70 is: 190,820,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,148.70 : 209,952,223.05 = 127,213,564.70 : x
  2. Step 2: Convert to fraction form
    139,968,148.70/209,952,223.05 = 127,213,564.70/x
  3. Step 3: Cross multiply
    139,968,148.70x = 209,952,223.05 × 127,213,564.70
  4. Step 4: Simplify right side
    139,968,148.70x = 26,708,770,710,880,008
  5. Step 5: Solve for x
    x = 26,708,770,710,880,008/139,968,148.70
  6. Step 6: Final answer
    x = 190,820,347.05

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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.