Home / 127,320,765,720.90-190,981,148,581.35-127,320,765,720.90

Finding the Fourth Proportional to 127,320,765,720.90, 190,981,148,581.35 and 127,320,765,720.90

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Solution

The fourth proportional to 127,320,765,720.90, 190,981,148,581.35 and 127,320,765,720.90 is: 190,981,148,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,320,765,720.90 : 190,981,148,581.35 = 127,320,765,720.90 : x
  2. Step 2: Convert to fraction form
    127,320,765,720.90/190,981,148,581.35 = 127,320,765,720.90/x
  3. Step 3: Cross multiply
    127,320,765,720.90x = 190,981,148,581.35 × 127,320,765,720.90
  4. Step 4: Simplify right side
    127,320,765,720.90x = 24,315,866,075,634,457,378,816
  5. Step 5: Solve for x
    x = 24,315,866,075,634,457,378,816/127,320,765,720.90
  6. Step 6: Final answer
    x = 190,981,148,581.35

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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.