Home / 77,281,739.02-115,940,515.96-25,464,486.45

Finding the Fourth Proportional to 77,281,739.02, 115,940,515.96 and 25,464,486.45

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Solution

The fourth proportional to 77,281,739.02, 115,940,515.96 and 25,464,486.45 is: 38,202,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,281,739.02 : 115,940,515.96 = 25,464,486.45 : x
  2. Step 2: Convert to fraction form
    77,281,739.02/115,940,515.96 = 25,464,486.45/x
  3. Step 3: Cross multiply
    77,281,739.02x = 115,940,515.96 × 25,464,486.45
  4. Step 4: Simplify right side
    77,281,739.02x = 2,952,365,697,702,551.50
  5. Step 5: Solve for x
    x = 2,952,365,697,702,551.50/77,281,739.02
  6. Step 6: Final answer
    x = 38,202,630.21

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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.