Home / 108,009,520.09-161,948,670.01-42,351,993.62

Finding the Fourth Proportional to 108,009,520.09, 161,948,670.01 and 42,351,993.62

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Solution

The fourth proportional to 108,009,520.09, 161,948,670.01 and 42,351,993.62 is: 63,502,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,009,520.09 : 161,948,670.01 = 42,351,993.62 : x
  2. Step 2: Convert to fraction form
    108,009,520.09/161,948,670.01 = 42,351,993.62/x
  3. Step 3: Cross multiply
    108,009,520.09x = 161,948,670.01 × 42,351,993.62
  4. Step 4: Simplify right side
    108,009,520.09x = 6,858,849,038,221,262
  5. Step 5: Solve for x
    x = 6,858,849,038,221,262/108,009,520.09
  6. Step 6: Final answer
    x = 63,502,263.81

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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.