Home / 354,294,403.60-531,441,605.40-98,992,771.60

Finding the Fourth Proportional to 354,294,403.60, 531,441,605.40 and 98,992,771.60

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Solution

The fourth proportional to 354,294,403.60, 531,441,605.40 and 98,992,771.60 is: 148,489,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,403.60 : 531,441,605.40 = 98,992,771.60 : x
  2. Step 2: Convert to fraction form
    354,294,403.60/531,441,605.40 = 98,992,771.60/x
  3. Step 3: Cross multiply
    354,294,403.60x = 531,441,605.40 × 98,992,771.60
  4. Step 4: Simplify right side
    354,294,403.60x = 52,608,877,462,099,520
  5. Step 5: Solve for x
    x = 52,608,877,462,099,520/354,294,403.60
  6. Step 6: Final answer
    x = 148,489,157.40

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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.