Home / 217,756,479.60-326,637,376.20-64,405,635.30

Finding the Fourth Proportional to 217,756,479.60, 326,637,376.20 and 64,405,635.30

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Solution

The fourth proportional to 217,756,479.60, 326,637,376.20 and 64,405,635.30 is: 96,609,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,756,479.60 : 326,637,376.20 = 64,405,635.30 : x
  2. Step 2: Convert to fraction form
    217,756,479.60/326,637,376.20 = 64,405,635.30/x
  3. Step 3: Cross multiply
    217,756,479.60x = 326,637,376.20 × 64,405,635.30
  4. Step 4: Simplify right side
    217,756,479.60x = 21,037,287,726,886,100
  5. Step 5: Solve for x
    x = 21,037,287,726,886,100/217,756,479.60
  6. Step 6: Final answer
    x = 96,609,238.75

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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.