Home / 271,598,515.79-407,397,904.90-89,845,693.79

Finding the Fourth Proportional to 271,598,515.79, 407,397,904.90 and 89,845,693.79

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Solution

The fourth proportional to 271,598,515.79, 407,397,904.90 and 89,845,693.79 is: 134,768,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,598,515.79 : 407,397,904.90 = 89,845,693.79 : x
  2. Step 2: Convert to fraction form
    271,598,515.79/407,397,904.90 = 89,845,693.79/x
  3. Step 3: Cross multiply
    271,598,515.79x = 407,397,904.90 × 89,845,693.79
  4. Step 4: Simplify right side
    271,598,515.79x = 36,602,947,412,071,336
  5. Step 5: Solve for x
    x = 36,602,947,412,071,336/271,598,515.79
  6. Step 6: Final answer
    x = 134,768,584.09

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1.5x scale

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.