Home / 252,290,690.40-378,436,035.60-60,814,466.40

Finding the Fourth Proportional to 252,290,690.40, 378,436,035.60 and 60,814,466.40

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Solution

The fourth proportional to 252,290,690.40, 378,436,035.60 and 60,814,466.40 is: 91,221,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,290,690.40 : 378,436,035.60 = 60,814,466.40 : x
  2. Step 2: Convert to fraction form
    252,290,690.40/378,436,035.60 = 60,814,466.40/x
  3. Step 3: Cross multiply
    252,290,690.40x = 378,436,035.60 × 60,814,466.40
  4. Step 4: Simplify right side
    252,290,690.40x = 23,014,385,571,545,404
  5. Step 5: Solve for x
    x = 23,014,385,571,545,404/252,290,690.40
  6. Step 6: Final answer
    x = 91,221,699.60

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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.