Home / 189,851,223,062.38-261,994,881,720.66-103,043,810,680.56

Finding the Fourth Proportional to 189,851,223,062.38, 261,994,881,720.66 and 103,043,810,680.56

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Solution

The fourth proportional to 189,851,223,062.38, 261,994,881,720.66 and 103,043,810,680.56 is: 142,200,563,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,851,223,062.38 : 261,994,881,720.66 = 103,043,810,680.56 : x
  2. Step 2: Convert to fraction form
    189,851,223,062.38/261,994,881,720.66 = 103,043,810,680.56/x
  3. Step 3: Cross multiply
    189,851,223,062.38x = 261,994,881,720.66 × 103,043,810,680.56
  4. Step 4: Simplify right side
    189,851,223,062.38x = 26,996,950,991,299,399,385,088
  5. Step 5: Solve for x
    x = 26,996,950,991,299,399,385,088/189,851,223,062.38
  6. Step 6: Final answer
    x = 142,200,563,977.56

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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.