Home / 30,605,999.40-45,908,999.10-26,620,191.90

Finding the Fourth Proportional to 30,605,999.40, 45,908,999.10 and 26,620,191.90

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Solution

The fourth proportional to 30,605,999.40, 45,908,999.10 and 26,620,191.90 is: 39,930,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605,999.40 : 45,908,999.10 = 26,620,191.90 : x
  2. Step 2: Convert to fraction form
    30,605,999.40/45,908,999.10 = 26,620,191.90/x
  3. Step 3: Cross multiply
    30,605,999.40x = 45,908,999.10 × 26,620,191.90
  4. Step 4: Simplify right side
    30,605,999.40x = 1,222,106,365,978,927.25
  5. Step 5: Solve for x
    x = 1,222,106,365,978,927.25/30,605,999.40
  6. Step 6: Final answer
    x = 39,930,287.85

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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.