Home / 72,183,828.90-108,275,743.35-64,247,643.30

Finding the Fourth Proportional to 72,183,828.90, 108,275,743.35 and 64,247,643.30

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Solution

The fourth proportional to 72,183,828.90, 108,275,743.35 and 64,247,643.30 is: 96,371,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,828.90 : 108,275,743.35 = 64,247,643.30 : x
  2. Step 2: Convert to fraction form
    72,183,828.90/108,275,743.35 = 64,247,643.30/x
  3. Step 3: Cross multiply
    72,183,828.90x = 108,275,743.35 × 64,247,643.30
  4. Step 4: Simplify right side
    72,183,828.90x = 6,956,461,336,793,146
  5. Step 5: Solve for x
    x = 6,956,461,336,793,146/72,183,828.90
  6. Step 6: Final answer
    x = 96,371,464.95

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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.