Home / 71,724,311.28-107,586,109.10-28,009,511.39

Finding the Fourth Proportional to 71,724,311.28, 107,586,109.10 and 28,009,511.39

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Solution

The fourth proportional to 71,724,311.28, 107,586,109.10 and 28,009,511.39 is: 42,014,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,724,311.28 : 107,586,109.10 = 28,009,511.39 : x
  2. Step 2: Convert to fraction form
    71,724,311.28/107,586,109.10 = 28,009,511.39/x
  3. Step 3: Cross multiply
    71,724,311.28x = 107,586,109.10 × 28,009,511.39
  4. Step 4: Simplify right side
    71,724,311.28x = 3,013,434,347,799,030
  5. Step 5: Solve for x
    x = 3,013,434,347,799,030/71,724,311.28
  6. Step 6: Final answer
    x = 42,014,127.34

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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.