Home / 242,208,469.96-334,684,911.36-172,472,782.48

Finding the Fourth Proportional to 242,208,469.96, 334,684,911.36 and 172,472,782.48

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Solution

The fourth proportional to 242,208,469.96, 334,684,911.36 and 172,472,782.48 is: 238,323,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,208,469.96 : 334,684,911.36 = 172,472,782.48 : x
  2. Step 2: Convert to fraction form
    242,208,469.96/334,684,911.36 = 172,472,782.48/x
  3. Step 3: Cross multiply
    242,208,469.96x = 334,684,911.36 × 172,472,782.48
  4. Step 4: Simplify right side
    242,208,469.96x = 57,724,037,916,331,360
  5. Step 5: Solve for x
    x = 57,724,037,916,331,360/242,208,469.96
  6. Step 6: Final answer
    x = 238,323,779.21

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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.