Home / 157,716,516.80-236,220,880.80-129,404,964.80

Finding the Fourth Proportional to 157,716,516.80, 236,220,880.80 and 129,404,964.80

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Solution

The fourth proportional to 157,716,516.80, 236,220,880.80 and 129,404,964.80 is: 193,817,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,716,516.80 : 236,220,880.80 = 129,404,964.80 : x
  2. Step 2: Convert to fraction form
    157,716,516.80/236,220,880.80 = 129,404,964.80/x
  3. Step 3: Cross multiply
    157,716,516.80x = 236,220,880.80 × 129,404,964.80
  4. Step 4: Simplify right side
    157,716,516.80x = 30,568,154,764,948,996
  5. Step 5: Solve for x
    x = 30,568,154,764,948,996/157,716,516.80
  6. Step 6: Final answer
    x = 193,817,080.07

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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.