Home / 131,075,344.80-196,660,256.40-54,453,362.40

Finding the Fourth Proportional to 131,075,344.80, 196,660,256.40 and 54,453,362.40

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Solution

The fourth proportional to 131,075,344.80, 196,660,256.40 and 54,453,362.40 is: 81,699,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,075,344.80 : 196,660,256.40 = 54,453,362.40 : x
  2. Step 2: Convert to fraction form
    131,075,344.80/196,660,256.40 = 54,453,362.40/x
  3. Step 3: Cross multiply
    131,075,344.80x = 196,660,256.40 × 54,453,362.40
  4. Step 4: Simplify right side
    131,075,344.80x = 10,708,812,211,426,120
  5. Step 5: Solve for x
    x = 10,708,812,211,426,120/131,075,344.80
  6. Step 6: Final answer
    x = 81,699,668.44

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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.