Home / 354,985,661.25-532,535,709.51-109,342,181.97

Finding the Fourth Proportional to 354,985,661.25, 532,535,709.51 and 109,342,181.97

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Solution

The fourth proportional to 354,985,661.25, 532,535,709.51 and 109,342,181.97 is: 164,030,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,985,661.25 : 532,535,709.51 = 109,342,181.97 : x
  2. Step 2: Convert to fraction form
    354,985,661.25/532,535,709.51 = 109,342,181.97/x
  3. Step 3: Cross multiply
    354,985,661.25x = 532,535,709.51 × 109,342,181.97
  4. Step 4: Simplify right side
    354,985,661.25x = 58,228,616,454,765,480
  5. Step 5: Solve for x
    x = 58,228,616,454,765,480/354,985,661.25
  6. Step 6: Final answer
    x = 164,030,897.05

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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.