Home / 213,563,820.48-294,740,038.56-129,937,887.96

Finding the Fourth Proportional to 213,563,820.48, 294,740,038.56 and 129,937,887.96

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Solution

The fourth proportional to 213,563,820.48, 294,740,038.56 and 129,937,887.96 is: 179,327,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,563,820.48 : 294,740,038.56 = 129,937,887.96 : x
  2. Step 2: Convert to fraction form
    213,563,820.48/294,740,038.56 = 129,937,887.96/x
  3. Step 3: Cross multiply
    213,563,820.48x = 294,740,038.56 × 129,937,887.96
  4. Step 4: Simplify right side
    213,563,820.48x = 38,297,898,107,735,360
  5. Step 5: Solve for x
    x = 38,297,898,107,735,360/213,563,820.48
  6. Step 6: Final answer
    x = 179,327,650.26

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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.