Home / 40,742,009.85-61,113,014.78-31,176,071.85

Finding the Fourth Proportional to 40,742,009.85, 61,113,014.78 and 31,176,071.85

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Solution

The fourth proportional to 40,742,009.85, 61,113,014.78 and 31,176,071.85 is: 46,764,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742,009.85 : 61,113,014.78 = 31,176,071.85 : x
  2. Step 2: Convert to fraction form
    40,742,009.85/61,113,014.78 = 31,176,071.85/x
  3. Step 3: Cross multiply
    40,742,009.85x = 61,113,014.78 × 31,176,071.85
  4. Step 4: Simplify right side
    40,742,009.85x = 1,905,263,739,595,511.75
  5. Step 5: Solve for x
    x = 1,905,263,739,595,511.75/40,742,009.85
  6. Step 6: Final answer
    x = 46,764,107.78

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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.