Home / 91,986,654.90-138,075,685.46-67,752,945.30

Finding the Fourth Proportional to 91,986,654.90, 138,075,685.46 and 67,752,945.30

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Solution

The fourth proportional to 91,986,654.90, 138,075,685.46 and 67,752,945.30 is: 101,699,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,986,654.90 : 138,075,685.46 = 67,752,945.30 : x
  2. Step 2: Convert to fraction form
    91,986,654.90/138,075,685.46 = 67,752,945.30/x
  3. Step 3: Cross multiply
    91,986,654.90x = 138,075,685.46 × 67,752,945.30
  4. Step 4: Simplify right side
    91,986,654.90x = 9,355,034,364,231,386
  5. Step 5: Solve for x
    x = 9,355,034,364,231,386/91,986,654.90
  6. Step 6: Final answer
    x = 101,699,908.26

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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.