Home / 114,695,999.70-172,043,999.55-102,154,866.90

Finding the Fourth Proportional to 114,695,999.70, 172,043,999.55 and 102,154,866.90

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Solution

The fourth proportional to 114,695,999.70, 172,043,999.55 and 102,154,866.90 is: 153,232,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,695,999.70 : 172,043,999.55 = 102,154,866.90 : x
  2. Step 2: Convert to fraction form
    114,695,999.70/172,043,999.55 = 102,154,866.90/x
  3. Step 3: Cross multiply
    114,695,999.70x = 172,043,999.55 × 102,154,866.90
  4. Step 4: Simplify right side
    114,695,999.70x = 17,575,131,874,973,912
  5. Step 5: Solve for x
    x = 17,575,131,874,973,912/114,695,999.70
  6. Step 6: Final answer
    x = 153,232,300.35

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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.