Home / 319,926,068.76-479,907,039.20-89,877,217.48

Finding the Fourth Proportional to 319,926,068.76, 479,907,039.20 and 89,877,217.48

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Solution

The fourth proportional to 319,926,068.76, 479,907,039.20 and 89,877,217.48 is: 134,820,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,926,068.76 : 479,907,039.20 = 89,877,217.48 : x
  2. Step 2: Convert to fraction form
    319,926,068.76/479,907,039.20 = 89,877,217.48/x
  3. Step 3: Cross multiply
    319,926,068.76x = 479,907,039.20 × 89,877,217.48
  4. Step 4: Simplify right side
    319,926,068.76x = 43,132,709,332,361,288
  5. Step 5: Solve for x
    x = 43,132,709,332,361,288/319,926,068.76
  6. Step 6: Final answer
    x = 134,820,865.02

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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.