Home / 89,713,090.80-134,632,621.80-38,631,769.20

Finding the Fourth Proportional to 89,713,090.80, 134,632,621.80 and 38,631,769.20

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Solution

The fourth proportional to 89,713,090.80, 134,632,621.80 and 38,631,769.20 is: 57,974,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713,090.80 : 134,632,621.80 = 38,631,769.20 : x
  2. Step 2: Convert to fraction form
    89,713,090.80/134,632,621.80 = 38,631,769.20/x
  3. Step 3: Cross multiply
    89,713,090.80x = 134,632,621.80 × 38,631,769.20
  4. Step 4: Simplify right side
    89,713,090.80x = 5,201,096,372,168,489
  5. Step 5: Solve for x
    x = 5,201,096,372,168,489/89,713,090.80
  6. Step 6: Final answer
    x = 57,974,776.32

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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.