Home / 313,539,953.26-432,686,817.90-172,420,273.59

Finding the Fourth Proportional to 313,539,953.26, 432,686,817.90 and 172,420,273.59

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Solution

The fourth proportional to 313,539,953.26, 432,686,817.90 and 172,420,273.59 is: 237,940,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,539,953.26 : 432,686,817.90 = 172,420,273.59 : x
  2. Step 2: Convert to fraction form
    313,539,953.26/432,686,817.90 = 172,420,273.59/x
  3. Step 3: Cross multiply
    313,539,953.26x = 432,686,817.90 × 172,420,273.59
  4. Step 4: Simplify right side
    313,539,953.26x = 74,603,979,522,727,088
  5. Step 5: Solve for x
    x = 74,603,979,522,727,088/313,539,953.26
  6. Step 6: Final answer
    x = 237,940,902.74

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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.