Home / 58,731,191.20-81,051,342.12-40,185,229.48

Finding the Fourth Proportional to 58,731,191.20, 81,051,342.12 and 40,185,229.48

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Solution

The fourth proportional to 58,731,191.20, 81,051,342.12 and 40,185,229.48 is: 55,457,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,731,191.20 : 81,051,342.12 = 40,185,229.48 : x
  2. Step 2: Convert to fraction form
    58,731,191.20/81,051,342.12 = 40,185,229.48/x
  3. Step 3: Cross multiply
    58,731,191.20x = 81,051,342.12 × 40,185,229.48
  4. Step 4: Simplify right side
    58,731,191.20x = 3,257,066,782,754,189.50
  5. Step 5: Solve for x
    x = 3,257,066,782,754,189.50/58,731,191.20
  6. Step 6: Final answer
    x = 55,457,189.21

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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.