Home / 96,321,915.30-144,718,802.55-72,434,043.30

Finding the Fourth Proportional to 96,321,915.30, 144,718,802.55 and 72,434,043.30

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Solution

The fourth proportional to 96,321,915.30, 144,718,802.55 and 72,434,043.30 is: 108,828,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321,915.30 : 144,718,802.55 = 72,434,043.30 : x
  2. Step 2: Convert to fraction form
    96,321,915.30/144,718,802.55 = 72,434,043.30/x
  3. Step 3: Cross multiply
    96,321,915.30x = 144,718,802.55 × 72,434,043.30
  4. Step 4: Simplify right side
    96,321,915.30x = 10,482,568,010,230,850
  5. Step 5: Solve for x
    x = 10,482,568,010,230,850/96,321,915.30
  6. Step 6: Final answer
    x = 108,828,483.92

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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.