Home / 57,985,472.64-80,015,832-31,879,315.20

Finding the Fourth Proportional to 57,985,472.64, 80,015,832 and 31,879,315.20

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Solution

The fourth proportional to 57,985,472.64, 80,015,832 and 31,879,315.20 is: 43,991,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,985,472.64 : 80,015,832 = 31,879,315.20 : x
  2. Step 2: Convert to fraction form
    57,985,472.64/80,015,832 = 31,879,315.20/x
  3. Step 3: Cross multiply
    57,985,472.64x = 80,015,832 × 31,879,315.20
  4. Step 4: Simplify right side
    57,985,472.64x = 2,550,849,929,318,246.50
  5. Step 5: Solve for x
    x = 2,550,849,929,318,246.50/57,985,472.64
  6. Step 6: Final answer
    x = 43,991,189.74

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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.