Home / 57,991,887.96-87,021,752.31-21,625,402.20

Finding the Fourth Proportional to 57,991,887.96, 87,021,752.31 and 21,625,402.20

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Solution

The fourth proportional to 57,991,887.96, 87,021,752.31 and 21,625,402.20 is: 32,450,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991,887.96 : 87,021,752.31 = 21,625,402.20 : x
  2. Step 2: Convert to fraction form
    57,991,887.96/87,021,752.31 = 21,625,402.20/x
  3. Step 3: Cross multiply
    57,991,887.96x = 87,021,752.31 × 21,625,402.20
  4. Step 4: Simplify right side
    57,991,887.96x = 1,881,880,393,852,529
  5. Step 5: Solve for x
    x = 1,881,880,393,852,529/57,991,887.96
  6. Step 6: Final answer
    x = 32,450,752.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.