Home / 260,110,355.82-390,068,324.28-104,611,678.86

Finding the Fourth Proportional to 260,110,355.82, 390,068,324.28 and 104,611,678.86

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Solution

The fourth proportional to 260,110,355.82, 390,068,324.28 and 104,611,678.86 is: 156,878,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,110,355.82 : 390,068,324.28 = 104,611,678.86 : x
  2. Step 2: Convert to fraction form
    260,110,355.82/390,068,324.28 = 104,611,678.86/x
  3. Step 3: Cross multiply
    260,110,355.82x = 390,068,324.28 × 104,611,678.86
  4. Step 4: Simplify right side
    260,110,355.82x = 40,805,702,273,037,696
  5. Step 5: Solve for x
    x = 40,805,702,273,037,696/260,110,355.82
  6. Step 6: Final answer
    x = 156,878,422.41

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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.