Home / 126,994,716,009.70-190,492,074,014.55-103,485,466,780.90

Finding the Fourth Proportional to 126,994,716,009.70, 190,492,074,014.55 and 103,485,466,780.90

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Solution

The fourth proportional to 126,994,716,009.70, 190,492,074,014.55 and 103,485,466,780.90 is: 155,228,200,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,994,716,009.70 : 190,492,074,014.55 = 103,485,466,780.90 : x
  2. Step 2: Convert to fraction form
    126,994,716,009.70/190,492,074,014.55 = 103,485,466,780.90/x
  3. Step 3: Cross multiply
    126,994,716,009.70x = 190,492,074,014.55 × 103,485,466,780.90
  4. Step 4: Simplify right side
    126,994,716,009.70x = 19,713,161,197,457,455,972,352
  5. Step 5: Solve for x
    x = 19,713,161,197,457,455,972,352/126,994,716,009.70
  6. Step 6: Final answer
    x = 155,228,200,171.35

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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.