Home / 74,733,905.40-112,100,858.10-20,881,217.40

Finding the Fourth Proportional to 74,733,905.40, 112,100,858.10 and 20,881,217.40

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Solution

The fourth proportional to 74,733,905.40, 112,100,858.10 and 20,881,217.40 is: 31,321,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733,905.40 : 112,100,858.10 = 20,881,217.40 : x
  2. Step 2: Convert to fraction form
    74,733,905.40/112,100,858.10 = 20,881,217.40/x
  3. Step 3: Cross multiply
    74,733,905.40x = 112,100,858.10 × 20,881,217.40
  4. Step 4: Simplify right side
    74,733,905.40x = 2,340,802,388,712,650.50
  5. Step 5: Solve for x
    x = 2,340,802,388,712,650.50/74,733,905.40
  6. Step 6: Final answer
    x = 31,321,826.10

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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.