Home / 232,036,833,361.21-320,210,845,436.76-129,151,745,070.10

Finding the Fourth Proportional to 232,036,833,361.21, 320,210,845,436.76 and 129,151,745,070.10

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Solution

The fourth proportional to 232,036,833,361.21, 320,210,845,436.76 and 129,151,745,070.10 is: 178,229,416,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,036,833,361.21 : 320,210,845,436.76 = 129,151,745,070.10 : x
  2. Step 2: Convert to fraction form
    232,036,833,361.21/320,210,845,436.76 = 129,151,745,070.10/x
  3. Step 3: Cross multiply
    232,036,833,361.21x = 320,210,845,436.76 × 129,151,745,070.10
  4. Step 4: Simplify right side
    232,036,833,361.21x = 41,355,789,478,529,626,800,128
  5. Step 5: Solve for x
    x = 41,355,789,478,529,626,800,128/232,036,833,361.21
  6. Step 6: Final answer
    x = 178,229,416,767.43

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1.5x scale

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.