Home / 110,717,166.40-166,075,749.60-74,437,460.80

Finding the Fourth Proportional to 110,717,166.40, 166,075,749.60 and 74,437,460.80

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Solution

The fourth proportional to 110,717,166.40, 166,075,749.60 and 74,437,460.80 is: 111,656,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,166.40 : 166,075,749.60 = 74,437,460.80 : x
  2. Step 2: Convert to fraction form
    110,717,166.40/166,075,749.60 = 74,437,460.80/x
  3. Step 3: Cross multiply
    110,717,166.40x = 166,075,749.60 × 74,437,460.80
  4. Step 4: Simplify right side
    110,717,166.40x = 12,362,257,100,680,614
  5. Step 5: Solve for x
    x = 12,362,257,100,680,614/110,717,166.40
  6. Step 6: Final answer
    x = 111,656,191.20

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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.