Home / 91,986,664.89-138,075,700.50-67,752,955.29

Finding the Fourth Proportional to 91,986,664.89, 138,075,700.50 and 67,752,955.29

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Solution

The fourth proportional to 91,986,664.89, 138,075,700.50 and 67,752,955.29 is: 101,699,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,986,664.89 : 138,075,700.50 = 67,752,955.29 : x
  2. Step 2: Convert to fraction form
    91,986,664.89/138,075,700.50 = 67,752,955.29/x
  3. Step 3: Cross multiply
    91,986,664.89x = 138,075,700.50 × 67,752,955.29
  4. Step 4: Simplify right side
    91,986,664.89x = 9,355,036,762,611,932
  5. Step 5: Solve for x
    x = 9,355,036,762,611,932/91,986,664.89
  6. Step 6: Final answer
    x = 101,699,923.29

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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.