Home / 43,136,572.15-64,744,716.30-21,586,639.60

Finding the Fourth Proportional to 43,136,572.15, 64,744,716.30 and 21,586,639.60

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Solution

The fourth proportional to 43,136,572.15, 64,744,716.30 and 21,586,639.60 is: 32,399,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136,572.15 : 64,744,716.30 = 21,586,639.60 : x
  2. Step 2: Convert to fraction form
    43,136,572.15/64,744,716.30 = 21,586,639.60/x
  3. Step 3: Cross multiply
    43,136,572.15x = 64,744,716.30 × 21,586,639.60
  4. Step 4: Simplify right side
    43,136,572.15x = 1,397,620,856,772,345.50
  5. Step 5: Solve for x
    x = 1,397,620,856,772,345.50/43,136,572.15
  6. Step 6: Final answer
    x = 32,399,905.40

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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.