Home / 109,132,757.10-163,699,135.65-66,086,036.10

Finding the Fourth Proportional to 109,132,757.10, 163,699,135.65 and 66,086,036.10

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Solution

The fourth proportional to 109,132,757.10, 163,699,135.65 and 66,086,036.10 is: 99,129,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132,757.10 : 163,699,135.65 = 66,086,036.10 : x
  2. Step 2: Convert to fraction form
    109,132,757.10/163,699,135.65 = 66,086,036.10/x
  3. Step 3: Cross multiply
    109,132,757.10x = 163,699,135.65 × 66,086,036.10
  4. Step 4: Simplify right side
    109,132,757.10x = 10,818,226,988,104,698
  5. Step 5: Solve for x
    x = 10,818,226,988,104,698/109,132,757.10
  6. Step 6: Final answer
    x = 99,129,054.15

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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.