Home / 78,521,227.53-108,357,182.03-43,713,917.25

Finding the Fourth Proportional to 78,521,227.53, 108,357,182.03 and 43,713,917.25

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Solution

The fourth proportional to 78,521,227.53, 108,357,182.03 and 43,713,917.25 is: 60,324,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,521,227.53 : 108,357,182.03 = 43,713,917.25 : x
  2. Step 2: Convert to fraction form
    78,521,227.53/108,357,182.03 = 43,713,917.25/x
  3. Step 3: Cross multiply
    78,521,227.53x = 108,357,182.03 × 43,713,917.25
  4. Step 4: Simplify right side
    78,521,227.53x = 4,736,716,888,702,607
  5. Step 5: Solve for x
    x = 4,736,716,888,702,607/78,521,227.53
  6. Step 6: Final answer
    x = 60,324,030.05

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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.