Home / 81,073,697.60-121,631,282.40-57,185,825.60

Finding the Fourth Proportional to 81,073,697.60, 121,631,282.40 and 57,185,825.60

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Solution

The fourth proportional to 81,073,697.60, 121,631,282.40 and 57,185,825.60 is: 85,793,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,073,697.60 : 121,631,282.40 = 57,185,825.60 : x
  2. Step 2: Convert to fraction form
    81,073,697.60/121,631,282.40 = 57,185,825.60/x
  3. Step 3: Cross multiply
    81,073,697.60x = 121,631,282.40 × 57,185,825.60
  4. Step 4: Simplify right side
    81,073,697.60x = 6,955,585,302,830,750
  5. Step 5: Solve for x
    x = 6,955,585,302,830,750/81,073,697.60
  6. Step 6: Final answer
    x = 85,793,364.66

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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.