Home / 127,281,817.20-190,922,725.80-46,492,287.60

Finding the Fourth Proportional to 127,281,817.20, 190,922,725.80 and 46,492,287.60

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Solution

The fourth proportional to 127,281,817.20, 190,922,725.80 and 46,492,287.60 is: 69,738,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,281,817.20 : 190,922,725.80 = 46,492,287.60 : x
  2. Step 2: Convert to fraction form
    127,281,817.20/190,922,725.80 = 46,492,287.60/x
  3. Step 3: Cross multiply
    127,281,817.20x = 190,922,725.80 × 46,492,287.60
  4. Step 4: Simplify right side
    127,281,817.20x = 8,876,434,277,269,541
  5. Step 5: Solve for x
    x = 8,876,434,277,269,541/127,281,817.20
  6. Step 6: Final answer
    x = 69,738,431.40

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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.