Home / 91,377,838.68-137,022,668.58-53,049,001.56

Finding the Fourth Proportional to 91,377,838.68, 137,022,668.58 and 53,049,001.56

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Solution

The fourth proportional to 91,377,838.68, 137,022,668.58 and 53,049,001.56 is: 79,547,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,377,838.68 : 137,022,668.58 = 53,049,001.56 : x
  2. Step 2: Convert to fraction form
    91,377,838.68/137,022,668.58 = 53,049,001.56/x
  3. Step 3: Cross multiply
    91,377,838.68x = 137,022,668.58 × 53,049,001.56
  4. Step 4: Simplify right side
    91,377,838.68x = 7,268,915,759,255,784
  5. Step 5: Solve for x
    x = 7,268,915,759,255,784/91,377,838.68
  6. Step 6: Final answer
    x = 79,547,906.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.