Home / 91,986,674.40-138,075,714.76-67,752,964.80

Finding the Fourth Proportional to 91,986,674.40, 138,075,714.76 and 67,752,964.80

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Solution

The fourth proportional to 91,986,674.40, 138,075,714.76 and 67,752,964.80 is: 101,699,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,986,674.40 : 138,075,714.76 = 67,752,964.80 : x
  2. Step 2: Convert to fraction form
    91,986,674.40/138,075,714.76 = 67,752,964.80/x
  3. Step 3: Cross multiply
    91,986,674.40x = 138,075,714.76 × 67,752,964.80
  4. Step 4: Simplify right side
    91,986,674.40x = 9,355,039,041,869,120
  5. Step 5: Solve for x
    x = 9,355,039,041,869,120/91,986,674.40
  6. Step 6: Final answer
    x = 101,699,937.55

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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.