Home / 57,219,107.48-78,962,779.10-31,113,438.25

Finding the Fourth Proportional to 57,219,107.48, 78,962,779.10 and 31,113,438.25

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Solution

The fourth proportional to 57,219,107.48, 78,962,779.10 and 31,113,438.25 is: 42,936,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219,107.48 : 78,962,779.10 = 31,113,438.25 : x
  2. Step 2: Convert to fraction form
    57,219,107.48/78,962,779.10 = 31,113,438.25/x
  3. Step 3: Cross multiply
    57,219,107.48x = 78,962,779.10 × 31,113,438.25
  4. Step 4: Simplify right side
    57,219,107.48x = 2,456,803,551,025,859.50
  5. Step 5: Solve for x
    x = 2,456,803,551,025,859.50/57,219,107.48
  6. Step 6: Final answer
    x = 42,936,768.14

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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.