Home / 260,110,350.81-390,068,316.78-104,611,673.85

Finding the Fourth Proportional to 260,110,350.81, 390,068,316.78 and 104,611,673.85

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Solution

The fourth proportional to 260,110,350.81, 390,068,316.78 and 104,611,673.85 is: 156,878,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,110,350.81 : 390,068,316.78 = 104,611,673.85 : x
  2. Step 2: Convert to fraction form
    260,110,350.81/390,068,316.78 = 104,611,673.85/x
  3. Step 3: Cross multiply
    260,110,350.81x = 390,068,316.78 × 104,611,673.85
  4. Step 4: Simplify right side
    260,110,350.81x = 40,805,699,534,207,840
  5. Step 5: Solve for x
    x = 40,805,699,534,207,840/260,110,350.81
  6. Step 6: Final answer
    x = 156,878,414.90

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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.