Home / 100,643,874.63-150,744,525.78-83,174,080.35

Finding the Fourth Proportional to 100,643,874.63, 150,744,525.78 and 83,174,080.35

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Solution

The fourth proportional to 100,643,874.63, 150,744,525.78 and 83,174,080.35 is: 124,578,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,643,874.63 : 150,744,525.78 = 83,174,080.35 : x
  2. Step 2: Convert to fraction form
    100,643,874.63/150,744,525.78 = 83,174,080.35/x
  3. Step 3: Cross multiply
    100,643,874.63x = 150,744,525.78 × 83,174,080.35
  4. Step 4: Simplify right side
    100,643,874.63x = 12,538,037,299,548,366
  5. Step 5: Solve for x
    x = 12,538,037,299,548,366/100,643,874.63
  6. Step 6: Final answer
    x = 124,578,245.28

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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.