Home / 127,119,318.85-190,680,749.81-36,242,907.85

Finding the Fourth Proportional to 127,119,318.85, 190,680,749.81 and 36,242,907.85

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Solution

The fourth proportional to 127,119,318.85, 190,680,749.81 and 36,242,907.85 is: 54,364,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,119,318.85 : 190,680,749.81 = 36,242,907.85 : x
  2. Step 2: Convert to fraction form
    127,119,318.85/190,680,749.81 = 36,242,907.85/x
  3. Step 3: Cross multiply
    127,119,318.85x = 190,680,749.81 × 36,242,907.85
  4. Step 4: Simplify right side
    127,119,318.85x = 6,910,824,844,132,735
  5. Step 5: Solve for x
    x = 6,910,824,844,132,735/127,119,318.85
  6. Step 6: Final answer
    x = 54,364,866.86

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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.