Home / 134,429,205.20-201,643,807.80-43,561,979.60

Finding the Fourth Proportional to 134,429,205.20, 201,643,807.80 and 43,561,979.60

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Solution

The fourth proportional to 134,429,205.20, 201,643,807.80 and 43,561,979.60 is: 65,342,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429,205.20 : 201,643,807.80 = 43,561,979.60 : x
  2. Step 2: Convert to fraction form
    134,429,205.20/201,643,807.80 = 43,561,979.60/x
  3. Step 3: Cross multiply
    134,429,205.20x = 201,643,807.80 × 43,561,979.60
  4. Step 4: Simplify right side
    134,429,205.20x = 8,784,003,441,849,922
  5. Step 5: Solve for x
    x = 8,784,003,441,849,922/134,429,205.20
  6. Step 6: Final answer
    x = 65,342,969.40

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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.