Home / 127,159,765,295.40-190,739,647,943.10-38,827,752,085.80

Finding the Fourth Proportional to 127,159,765,295.40, 190,739,647,943.10 and 38,827,752,085.80

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Solution

The fourth proportional to 127,159,765,295.40, 190,739,647,943.10 and 38,827,752,085.80 is: 58,241,628,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,159,765,295.40 : 190,739,647,943.10 = 38,827,752,085.80 : x
  2. Step 2: Convert to fraction form
    127,159,765,295.40/190,739,647,943.10 = 38,827,752,085.80/x
  3. Step 3: Cross multiply
    127,159,765,295.40x = 190,739,647,943.10 × 38,827,752,085.80
  4. Step 4: Simplify right side
    127,159,765,295.40x = 7,405,991,763,267,460,005,888
  5. Step 5: Solve for x
    x = 7,405,991,763,267,460,005,888/127,159,765,295.40
  6. Step 6: Final answer
    x = 58,241,628,128.70

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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.