Home / 172,413,638.10-258,620,457.15-153,706,914.90

Finding the Fourth Proportional to 172,413,638.10, 258,620,457.15 and 153,706,914.90

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Solution

The fourth proportional to 172,413,638.10, 258,620,457.15 and 153,706,914.90 is: 230,560,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413,638.10 : 258,620,457.15 = 153,706,914.90 : x
  2. Step 2: Convert to fraction form
    172,413,638.10/258,620,457.15 = 153,706,914.90/x
  3. Step 3: Cross multiply
    172,413,638.10x = 258,620,457.15 × 153,706,914.90
  4. Step 4: Simplify right side
    172,413,638.10x = 39,751,752,598,554,152
  5. Step 5: Solve for x
    x = 39,751,752,598,554,152/172,413,638.10
  6. Step 6: Final answer
    x = 230,560,372.35

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1.5x scale

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.