Home / 131,075,954.80-196,739,903.40-66,452,729.20

Finding the Fourth Proportional to 131,075,954.80, 196,739,903.40 and 66,452,729.20

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Solution

The fourth proportional to 131,075,954.80, 196,739,903.40 and 66,452,729.20 is: 99,742,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,075,954.80 : 196,739,903.40 = 66,452,729.20 : x
  2. Step 2: Convert to fraction form
    131,075,954.80/196,739,903.40 = 66,452,729.20/x
  3. Step 3: Cross multiply
    131,075,954.80x = 196,739,903.40 × 66,452,729.20
  4. Step 4: Simplify right side
    131,075,954.80x = 13,073,903,523,474,360
  5. Step 5: Solve for x
    x = 13,073,903,523,474,360/131,075,954.80
  6. Step 6: Final answer
    x = 99,742,958.53

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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.