Home / 260,578,766.40-390,619,317.60-96,772,660.80

Finding the Fourth Proportional to 260,578,766.40, 390,619,317.60 and 96,772,660.80

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Solution

The fourth proportional to 260,578,766.40, 390,619,317.60 and 96,772,660.80 is: 145,066,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,578,766.40 : 390,619,317.60 = 96,772,660.80 : x
  2. Step 2: Convert to fraction form
    260,578,766.40/390,619,317.60 = 96,772,660.80/x
  3. Step 3: Cross multiply
    260,578,766.40x = 390,619,317.60 × 96,772,660.80
  4. Step 4: Simplify right side
    260,578,766.40x = 37,801,270,724,032,272
  5. Step 5: Solve for x
    x = 37,801,270,724,032,272/260,578,766.40
  6. Step 6: Final answer
    x = 145,066,581.00

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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.