Home / 126,501,690.96-189,756,736.74-43,502,629.14

Finding the Fourth Proportional to 126,501,690.96, 189,756,736.74 and 43,502,629.14

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Solution

The fourth proportional to 126,501,690.96, 189,756,736.74 and 43,502,629.14 is: 65,255,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,501,690.96 : 189,756,736.74 = 43,502,629.14 : x
  2. Step 2: Convert to fraction form
    126,501,690.96/189,756,736.74 = 43,502,629.14/x
  3. Step 3: Cross multiply
    126,501,690.96x = 189,756,736.74 × 43,502,629.14
  4. Step 4: Simplify right side
    126,501,690.96x = 8,254,916,945,216,833
  5. Step 5: Solve for x
    x = 8,254,916,945,216,833/126,501,690.96
  6. Step 6: Final answer
    x = 65,255,388.15

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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.