Home / 162,105,289.71-223,702,629.26-87,765,255.87

Finding the Fourth Proportional to 162,105,289.71, 223,702,629.26 and 87,765,255.87

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Solution

The fourth proportional to 162,105,289.71, 223,702,629.26 and 87,765,255.87 is: 121,114,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,105,289.71 : 223,702,629.26 = 87,765,255.87 : x
  2. Step 2: Convert to fraction form
    162,105,289.71/223,702,629.26 = 87,765,255.87/x
  3. Step 3: Cross multiply
    162,105,289.71x = 223,702,629.26 × 87,765,255.87
  4. Step 4: Simplify right side
    162,105,289.71x = 19,633,318,495,356,824
  5. Step 5: Solve for x
    x = 19,633,318,495,356,824/162,105,289.71
  6. Step 6: Final answer
    x = 121,114,607.24

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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.