Home / 115,713,673.36-159,674,315.52-68,662,639.60

Finding the Fourth Proportional to 115,713,673.36, 159,674,315.52 and 68,662,639.60

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Solution

The fourth proportional to 115,713,673.36, 159,674,315.52 and 68,662,639.60 is: 94,748,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,713,673.36 : 159,674,315.52 = 68,662,639.60 : x
  2. Step 2: Convert to fraction form
    115,713,673.36/159,674,315.52 = 68,662,639.60/x
  3. Step 3: Cross multiply
    115,713,673.36x = 159,674,315.52 × 68,662,639.60
  4. Step 4: Simplify right side
    115,713,673.36x = 10,963,659,979,926,446
  5. Step 5: Solve for x
    x = 10,963,659,979,926,446/115,713,673.36
  6. Step 6: Final answer
    x = 94,748,180.24

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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.