Home / 43,049,129.88-64,539,594.04-21,472,625.28

Finding the Fourth Proportional to 43,049,129.88, 64,539,594.04 and 21,472,625.28

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Solution

The fourth proportional to 43,049,129.88, 64,539,594.04 and 21,472,625.28 is: 32,191,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049,129.88 : 64,539,594.04 = 21,472,625.28 : x
  2. Step 2: Convert to fraction form
    43,049,129.88/64,539,594.04 = 21,472,625.28/x
  3. Step 3: Cross multiply
    43,049,129.88x = 64,539,594.04 × 21,472,625.28
  4. Step 4: Simplify right side
    43,049,129.88x = 1,385,834,518,544,241.50
  5. Step 5: Solve for x
    x = 1,385,834,518,544,241.50/43,049,129.88
  6. Step 6: Final answer
    x = 32,191,928.67

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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.