Home / 257,577,990.36-355,425,332.04-174,127,698.24

Finding the Fourth Proportional to 257,577,990.36, 355,425,332.04 and 174,127,698.24

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Solution

The fourth proportional to 257,577,990.36, 355,425,332.04 and 174,127,698.24 is: 240,274,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,577,990.36 : 355,425,332.04 = 174,127,698.24 : x
  2. Step 2: Convert to fraction form
    257,577,990.36/355,425,332.04 = 174,127,698.24/x
  3. Step 3: Cross multiply
    257,577,990.36x = 355,425,332.04 × 174,127,698.24
  4. Step 4: Simplify right side
    257,577,990.36x = 61,889,394,964,312,928
  5. Step 5: Solve for x
    x = 61,889,394,964,312,928/257,577,990.36
  6. Step 6: Final answer
    x = 240,274,391.76

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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.