Home / 160,268,119.78-221,167,834.86-89,703,709

Finding the Fourth Proportional to 160,268,119.78, 221,167,834.86 and 89,703,709

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Solution

The fourth proportional to 160,268,119.78, 221,167,834.86 and 89,703,709 is: 123,789,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,268,119.78 : 221,167,834.86 = 89,703,709 : x
  2. Step 2: Convert to fraction form
    160,268,119.78/221,167,834.86 = 89,703,709/x
  3. Step 3: Cross multiply
    160,268,119.78x = 221,167,834.86 × 89,703,709
  4. Step 4: Simplify right side
    160,268,119.78x = 19,839,575,098,441,496
  5. Step 5: Solve for x
    x = 19,839,575,098,441,496/160,268,119.78
  6. Step 6: Final answer
    x = 123,789,903.60

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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.