Home / 85,100,567,007.60-127,650,850,511.40-83,939,616,428.40

Finding the Fourth Proportional to 85,100,567,007.60, 127,650,850,511.40 and 83,939,616,428.40

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Solution

The fourth proportional to 85,100,567,007.60, 127,650,850,511.40 and 83,939,616,428.40 is: 125,909,424,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,567,007.60 : 127,650,850,511.40 = 83,939,616,428.40 : x
  2. Step 2: Convert to fraction form
    85,100,567,007.60/127,650,850,511.40 = 83,939,616,428.40/x
  3. Step 3: Cross multiply
    85,100,567,007.60x = 127,650,850,511.40 × 83,939,616,428.40
  4. Step 4: Simplify right side
    85,100,567,007.60x = 10,714,963,428,685,943,668,736
  5. Step 5: Solve for x
    x = 10,714,963,428,685,943,668,736/85,100,567,007.60
  6. Step 6: Final answer
    x = 125,909,424,642.60

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Similar ratio
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1.5x scale

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.