Home / 161,989,124.74-223,574,091.57-91,446,236.89

Finding the Fourth Proportional to 161,989,124.74, 223,574,091.57 and 91,446,236.89

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Solution

The fourth proportional to 161,989,124.74, 223,574,091.57 and 91,446,236.89 is: 126,212,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,989,124.74 : 223,574,091.57 = 91,446,236.89 : x
  2. Step 2: Convert to fraction form
    161,989,124.74/223,574,091.57 = 91,446,236.89/x
  3. Step 3: Cross multiply
    161,989,124.74x = 223,574,091.57 × 91,446,236.89
  4. Step 4: Simplify right side
    161,989,124.74x = 20,445,009,339,617,836
  5. Step 5: Solve for x
    x = 20,445,009,339,617,836/161,989,124.74
  6. Step 6: Final answer
    x = 126,212,234.14

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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.