Home / 72,611,479-108,938,491.20-23,426,335

Finding the Fourth Proportional to 72,611,479, 108,938,491.20 and 23,426,335

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Solution

The fourth proportional to 72,611,479, 108,938,491.20 and 23,426,335 is: 35,146,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,611,479 : 108,938,491.20 = 23,426,335 : x
  2. Step 2: Convert to fraction form
    72,611,479/108,938,491.20 = 23,426,335/x
  3. Step 3: Cross multiply
    72,611,479x = 108,938,491.20 × 23,426,335
  4. Step 4: Simplify right side
    72,611,479x = 2,552,029,589,245,752
  5. Step 5: Solve for x
    x = 2,552,029,589,245,752/72,611,479
  6. Step 6: Final answer
    x = 35,146,365.62

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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.