Home / 321,034,410.60-481,551,615.90-78,697,314.60

Finding the Fourth Proportional to 321,034,410.60, 481,551,615.90 and 78,697,314.60

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Solution

The fourth proportional to 321,034,410.60, 481,551,615.90 and 78,697,314.60 is: 118,045,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,034,410.60 : 481,551,615.90 = 78,697,314.60 : x
  2. Step 2: Convert to fraction form
    321,034,410.60/481,551,615.90 = 78,697,314.60/x
  3. Step 3: Cross multiply
    321,034,410.60x = 481,551,615.90 × 78,697,314.60
  4. Step 4: Simplify right side
    321,034,410.60x = 37,896,819,012,620,656
  5. Step 5: Solve for x
    x = 37,896,819,012,620,656/321,034,410.60
  6. Step 6: Final answer
    x = 118,045,971.90

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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.