Home / 124,415,999.40-186,623,999.10-73,271,692.20

Finding the Fourth Proportional to 124,415,999.40, 186,623,999.10 and 73,271,692.20

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Solution

The fourth proportional to 124,415,999.40, 186,623,999.10 and 73,271,692.20 is: 109,907,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415,999.40 : 186,623,999.10 = 73,271,692.20 : x
  2. Step 2: Convert to fraction form
    124,415,999.40/186,623,999.10 = 73,271,692.20/x
  3. Step 3: Cross multiply
    124,415,999.40x = 186,623,999.10 × 73,271,692.20
  4. Step 4: Simplify right side
    124,415,999.40x = 13,674,256,219,188,278
  5. Step 5: Solve for x
    x = 13,674,256,219,188,278/124,415,999.40
  6. Step 6: Final answer
    x = 109,907,538.30

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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.