Home / 257,934,785.00-355,940,652.62-157,631,030.47

Finding the Fourth Proportional to 257,934,785.00, 355,940,652.62 and 157,631,030.47

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Solution

The fourth proportional to 257,934,785.00, 355,940,652.62 and 157,631,030.47 is: 217,525,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,934,785.00 : 355,940,652.62 = 157,631,030.47 : x
  2. Step 2: Convert to fraction form
    257,934,785.00/355,940,652.62 = 157,631,030.47/x
  3. Step 3: Cross multiply
    257,934,785.00x = 355,940,652.62 × 157,631,030.47
  4. Step 4: Simplify right side
    257,934,785.00x = 56,107,291,857,195,200
  5. Step 5: Solve for x
    x = 56,107,291,857,195,200/257,934,785.00
  6. Step 6: Final answer
    x = 217,525,107.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.