Home / 66,699,898.56-99,980,480.16-25,787,436.48

Finding the Fourth Proportional to 66,699,898.56, 99,980,480.16 and 25,787,436.48

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Solution

The fourth proportional to 66,699,898.56, 99,980,480.16 and 25,787,436.48 is: 38,654,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,699,898.56 : 99,980,480.16 = 25,787,436.48 : x
  2. Step 2: Convert to fraction form
    66,699,898.56/99,980,480.16 = 25,787,436.48/x
  3. Step 3: Cross multiply
    66,699,898.56x = 99,980,480.16 × 25,787,436.48
  4. Step 4: Simplify right side
    66,699,898.56x = 2,578,240,281,365,900
  5. Step 5: Solve for x
    x = 2,578,240,281,365,900/66,699,898.56
  6. Step 6: Final answer
    x = 38,654,335.87

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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.