Home / 71,269,436.64-98,351,901.36-38,674,388.64

Finding the Fourth Proportional to 71,269,436.64, 98,351,901.36 and 38,674,388.64

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Solution

The fourth proportional to 71,269,436.64, 98,351,901.36 and 38,674,388.64 is: 53,370,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269,436.64 : 98,351,901.36 = 38,674,388.64 : x
  2. Step 2: Convert to fraction form
    71,269,436.64/98,351,901.36 = 38,674,388.64/x
  3. Step 3: Cross multiply
    71,269,436.64x = 98,351,901.36 × 38,674,388.64
  4. Step 4: Simplify right side
    71,269,436.64x = 3,803,699,656,679,584.50
  5. Step 5: Solve for x
    x = 3,803,699,656,679,584.50/71,269,436.64
  6. Step 6: Final answer
    x = 53,370,699.08

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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.