Home / 91,289,905.75-125,993,591.16-57,802,497.35

Finding the Fourth Proportional to 91,289,905.75, 125,993,591.16 and 57,802,497.35

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Solution

The fourth proportional to 91,289,905.75, 125,993,591.16 and 57,802,497.35 is: 79,776,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,289,905.75 : 125,993,591.16 = 57,802,497.35 : x
  2. Step 2: Convert to fraction form
    91,289,905.75/125,993,591.16 = 57,802,497.35/x
  3. Step 3: Cross multiply
    91,289,905.75x = 125,993,591.16 × 57,802,497.35
  4. Step 4: Simplify right side
    91,289,905.75x = 7,282,744,219,142,883
  5. Step 5: Solve for x
    x = 7,282,744,219,142,883/91,289,905.75
  6. Step 6: Final answer
    x = 79,776,007.65

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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.