Home / 215,580,245.60-323,370,368.40-100,788,989.60

Finding the Fourth Proportional to 215,580,245.60, 323,370,368.40 and 100,788,989.60

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Solution

The fourth proportional to 215,580,245.60, 323,370,368.40 and 100,788,989.60 is: 151,183,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,580,245.60 : 323,370,368.40 = 100,788,989.60 : x
  2. Step 2: Convert to fraction form
    215,580,245.60/323,370,368.40 = 100,788,989.60/x
  3. Step 3: Cross multiply
    215,580,245.60x = 323,370,368.40 × 100,788,989.60
  4. Step 4: Simplify right side
    215,580,245.60x = 32,592,172,697,615,764
  5. Step 5: Solve for x
    x = 32,592,172,697,615,764/215,580,245.60
  6. Step 6: Final answer
    x = 151,183,484.40

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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.