Home / 135,128,958.72-186,357,558.24-105,366,984

Finding the Fourth Proportional to 135,128,958.72, 186,357,558.24 and 105,366,984

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Solution

The fourth proportional to 135,128,958.72, 186,357,558.24 and 105,366,984 is: 145,312,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,128,958.72 : 186,357,558.24 = 105,366,984 : x
  2. Step 2: Convert to fraction form
    135,128,958.72/186,357,558.24 = 105,366,984/x
  3. Step 3: Cross multiply
    135,128,958.72x = 186,357,558.24 × 105,366,984
  4. Step 4: Simplify right side
    135,128,958.72x = 19,635,933,857,353,148
  5. Step 5: Solve for x
    x = 19,635,933,857,353,148/135,128,958.72
  6. Step 6: Final answer
    x = 145,312,552.12

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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.