Home / 114,732,213,999.40-172,098,320,999.10-90,763,799,746.60

Finding the Fourth Proportional to 114,732,213,999.40, 172,098,320,999.10 and 90,763,799,746.60

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Solution

The fourth proportional to 114,732,213,999.40, 172,098,320,999.10 and 90,763,799,746.60 is: 136,145,699,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,732,213,999.40 : 172,098,320,999.10 = 90,763,799,746.60 : x
  2. Step 2: Convert to fraction form
    114,732,213,999.40/172,098,320,999.10 = 90,763,799,746.60/x
  3. Step 3: Cross multiply
    114,732,213,999.40x = 172,098,320,999.10 × 90,763,799,746.60
  4. Step 4: Simplify right side
    114,732,213,999.40x = 15,620,297,543,888,400,285,696
  5. Step 5: Solve for x
    x = 15,620,297,543,888,400,285,696/114,732,213,999.40
  6. Step 6: Final answer
    x = 136,145,699,619.90

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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.