Home / 160,268,089.48-221,167,793.18-89,703,678.71

Finding the Fourth Proportional to 160,268,089.48, 221,167,793.18 and 89,703,678.71

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Solution

The fourth proportional to 160,268,089.48, 221,167,793.18 and 89,703,678.71 is: 123,789,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,268,089.48 : 221,167,793.18 = 89,703,678.71 : x
  2. Step 2: Convert to fraction form
    160,268,089.48/221,167,793.18 = 89,703,678.71/x
  3. Step 3: Cross multiply
    160,268,089.48x = 221,167,793.18 × 89,703,678.71
  4. Step 4: Simplify right side
    160,268,089.48x = 19,839,564,661,195,628
  5. Step 5: Solve for x
    x = 19,839,564,661,195,628/160,268,089.48
  6. Step 6: Final answer
    x = 123,789,861.89

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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.