Home / 57,130,978.60-78,840,506.66-31,025,313.64

Finding the Fourth Proportional to 57,130,978.60, 78,840,506.66 and 31,025,313.64

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Solution

The fourth proportional to 57,130,978.60, 78,840,506.66 and 31,025,313.64 is: 42,814,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,130,978.60 : 78,840,506.66 = 31,025,313.64 : x
  2. Step 2: Convert to fraction form
    57,130,978.60/78,840,506.66 = 31,025,313.64/x
  3. Step 3: Cross multiply
    57,130,978.60x = 78,840,506.66 × 31,025,313.64
  4. Step 4: Simplify right side
    57,130,978.60x = 2,446,051,446,663,009
  5. Step 5: Solve for x
    x = 2,446,051,446,663,009/57,130,978.60
  6. Step 6: Final answer
    x = 42,814,800.42

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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.