Home / 43,740,328.60-65,629,155.30-21,009,525.40

Finding the Fourth Proportional to 43,740,328.60, 65,629,155.30 and 21,009,525.40

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Solution

The fourth proportional to 43,740,328.60, 65,629,155.30 and 21,009,525.40 is: 31,523,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740,328.60 : 65,629,155.30 = 21,009,525.40 : x
  2. Step 2: Convert to fraction form
    43,740,328.60/65,629,155.30 = 21,009,525.40/x
  3. Step 3: Cross multiply
    43,740,328.60x = 65,629,155.30 × 21,009,525.40
  4. Step 4: Simplify right side
    43,740,328.60x = 1,378,837,405,255,894.50
  5. Step 5: Solve for x
    x = 1,378,837,405,255,894.50/43,740,328.60
  6. Step 6: Final answer
    x = 31,523,252.10

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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.