Home / 100,147,213,802.40-150,220,820,703.60-99,449,856,922.20

Finding the Fourth Proportional to 100,147,213,802.40, 150,220,820,703.60 and 99,449,856,922.20

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Solution

The fourth proportional to 100,147,213,802.40, 150,220,820,703.60 and 99,449,856,922.20 is: 149,174,785,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,147,213,802.40 : 150,220,820,703.60 = 99,449,856,922.20 : x
  2. Step 2: Convert to fraction form
    100,147,213,802.40/150,220,820,703.60 = 99,449,856,922.20/x
  3. Step 3: Cross multiply
    100,147,213,802.40x = 150,220,820,703.60 × 99,449,856,922.20
  4. Step 4: Simplify right side
    100,147,213,802.40x = 14,939,439,125,708,480,184,320
  5. Step 5: Solve for x
    x = 14,939,439,125,708,480,184,320/100,147,213,802.40
  6. Step 6: Final answer
    x = 149,174,785,383.30

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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.