Home / 217,732,917.60-326,599,376.40-210,342,607.20

Finding the Fourth Proportional to 217,732,917.60, 326,599,376.40 and 210,342,607.20

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Solution

The fourth proportional to 217,732,917.60, 326,599,376.40 and 210,342,607.20 is: 315,513,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,732,917.60 : 326,599,376.40 = 210,342,607.20 : x
  2. Step 2: Convert to fraction form
    217,732,917.60/326,599,376.40 = 210,342,607.20/x
  3. Step 3: Cross multiply
    217,732,917.60x = 326,599,376.40 × 210,342,607.20
  4. Step 4: Simplify right side
    217,732,917.60x = 68,697,764,341,870,144
  5. Step 5: Solve for x
    x = 68,697,764,341,870,144/217,732,917.60
  6. Step 6: Final answer
    x = 315,513,910.80

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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.