Home / 313,314,899.76-432,348,573.60-172,178,699.04

Finding the Fourth Proportional to 313,314,899.76, 432,348,573.60 and 172,178,699.04

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Solution

The fourth proportional to 313,314,899.76, 432,348,573.60 and 172,178,699.04 is: 237,592,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,314,899.76 : 432,348,573.60 = 172,178,699.04 : x
  2. Step 2: Convert to fraction form
    313,314,899.76/432,348,573.60 = 172,178,699.04/x
  3. Step 3: Cross multiply
    313,314,899.76x = 432,348,573.60 × 172,178,699.04
  4. Step 4: Simplify right side
    313,314,899.76x = 74,441,214,934,247,696
  5. Step 5: Solve for x
    x = 74,441,214,934,247,696/313,314,899.76
  6. Step 6: Final answer
    x = 237,592,323.22

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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.