Home / 144,735,891.32-216,925,970.32-66,907,519.41

Finding the Fourth Proportional to 144,735,891.32, 216,925,970.32 and 66,907,519.41

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Solution

The fourth proportional to 144,735,891.32, 216,925,970.32 and 66,907,519.41 is: 100,279,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,735,891.32 : 216,925,970.32 = 66,907,519.41 : x
  2. Step 2: Convert to fraction form
    144,735,891.32/216,925,970.32 = 66,907,519.41/x
  3. Step 3: Cross multiply
    144,735,891.32x = 216,925,970.32 × 66,907,519.41
  4. Step 4: Simplify right side
    144,735,891.32x = 14,513,978,569,018,476
  5. Step 5: Solve for x
    x = 14,513,978,569,018,476/144,735,891.32
  6. Step 6: Final answer
    x = 100,279,056.12

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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.