Home / 89,713,756.80-134,633,620.80-38,632,435.20

Finding the Fourth Proportional to 89,713,756.80, 134,633,620.80 and 38,632,435.20

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Solution

The fourth proportional to 89,713,756.80, 134,633,620.80 and 38,632,435.20 is: 57,975,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713,756.80 : 134,633,620.80 = 38,632,435.20 : x
  2. Step 2: Convert to fraction form
    89,713,756.80/134,633,620.80 = 38,632,435.20/x
  3. Step 3: Cross multiply
    89,713,756.80x = 134,633,620.80 × 38,632,435.20
  4. Step 4: Simplify right side
    89,713,756.80x = 5,201,224,631,297,373
  5. Step 5: Solve for x
    x = 5,201,224,631,297,373/89,713,756.80
  6. Step 6: Final answer
    x = 57,975,775.59

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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.