Home / 57,281,995.50-79,050,889.84-31,178,400.90

Finding the Fourth Proportional to 57,281,995.50, 79,050,889.84 and 31,178,400.90

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Solution

The fourth proportional to 57,281,995.50, 79,050,889.84 and 31,178,400.90 is: 43,027,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,281,995.50 : 79,050,889.84 = 31,178,400.90 : x
  2. Step 2: Convert to fraction form
    57,281,995.50/79,050,889.84 = 31,178,400.90/x
  3. Step 3: Cross multiply
    57,281,995.50x = 79,050,889.84 × 31,178,400.90
  4. Step 4: Simplify right side
    57,281,995.50x = 2,464,680,334,933,257
  5. Step 5: Solve for x
    x = 2,464,680,334,933,257/57,281,995.50
  6. Step 6: Final answer
    x = 43,027,138.17

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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.