Home / 52,105,011.40-71,913,525.18-28,907,611.96

Finding the Fourth Proportional to 52,105,011.40, 71,913,525.18 and 28,907,611.96

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Solution

The fourth proportional to 52,105,011.40, 71,913,525.18 and 28,907,611.96 is: 39,897,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,105,011.40 : 71,913,525.18 = 28,907,611.96 : x
  2. Step 2: Convert to fraction form
    52,105,011.40/71,913,525.18 = 28,907,611.96/x
  3. Step 3: Cross multiply
    52,105,011.40x = 71,913,525.18 × 28,907,611.96
  4. Step 4: Simplify right side
    52,105,011.40x = 2,078,848,280,579,129.50
  5. Step 5: Solve for x
    x = 2,078,848,280,579,129.50/52,105,011.40
  6. Step 6: Final answer
    x = 39,897,280.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.