Home / 117,312,915.84-175,981,358.88-40,635,801.60

Finding the Fourth Proportional to 117,312,915.84, 175,981,358.88 and 40,635,801.60

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Solution

The fourth proportional to 117,312,915.84, 175,981,358.88 and 40,635,801.60 is: 60,957,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,312,915.84 : 175,981,358.88 = 40,635,801.60 : x
  2. Step 2: Convert to fraction form
    117,312,915.84/175,981,358.88 = 40,635,801.60/x
  3. Step 3: Cross multiply
    117,312,915.84x = 175,981,358.88 × 40,635,801.60
  4. Step 4: Simplify right side
    117,312,915.84x = 7,151,143,584,746,078
  5. Step 5: Solve for x
    x = 7,151,143,584,746,078/117,312,915.84
  6. Step 6: Final answer
    x = 60,957,853.90

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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.