Home / 255,125,867.31-382,749,621.44-82,602,732.06

Finding the Fourth Proportional to 255,125,867.31, 382,749,621.44 and 82,602,732.06

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Solution

The fourth proportional to 255,125,867.31, 382,749,621.44 and 82,602,732.06 is: 123,923,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,125,867.31 : 382,749,621.44 = 82,602,732.06 : x
  2. Step 2: Convert to fraction form
    255,125,867.31/382,749,621.44 = 82,602,732.06/x
  3. Step 3: Cross multiply
    255,125,867.31x = 382,749,621.44 × 82,602,732.06
  4. Step 4: Simplify right side
    255,125,867.31x = 31,616,164,425,461,740
  5. Step 5: Solve for x
    x = 31,616,164,425,461,740/255,125,867.31
  6. Step 6: Final answer
    x = 123,923,790.08

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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.