Home / 126,994,716,099.20-190,492,074,148.80-103,485,466,870.40

Finding the Fourth Proportional to 126,994,716,099.20, 190,492,074,148.80 and 103,485,466,870.40

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Solution

The fourth proportional to 126,994,716,099.20, 190,492,074,148.80 and 103,485,466,870.40 is: 155,228,200,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,994,716,099.20 : 190,492,074,148.80 = 103,485,466,870.40 : x
  2. Step 2: Convert to fraction form
    126,994,716,099.20/190,492,074,148.80 = 103,485,466,870.40/x
  3. Step 3: Cross multiply
    126,994,716,099.20x = 190,492,074,148.80 × 103,485,466,870.40
  4. Step 4: Simplify right side
    126,994,716,099.20x = 19,713,161,228,399,419,588,608
  5. Step 5: Solve for x
    x = 19,713,161,228,399,419,588,608/126,994,716,099.20
  6. Step 6: Final answer
    x = 155,228,200,305.60

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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.