Home / 178,601,541.68-267,978,130.34-86,553,795.36

Finding the Fourth Proportional to 178,601,541.68, 267,978,130.34 and 86,553,795.36

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Solution

The fourth proportional to 178,601,541.68, 267,978,130.34 and 86,553,795.36 is: 129,867,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,601,541.68 : 267,978,130.34 = 86,553,795.36 : x
  2. Step 2: Convert to fraction form
    178,601,541.68/267,978,130.34 = 86,553,795.36/x
  3. Step 3: Cross multiply
    178,601,541.68x = 267,978,130.34 × 86,553,795.36
  4. Step 4: Simplify right side
    178,601,541.68x = 23,194,524,254,403,768
  5. Step 5: Solve for x
    x = 23,194,524,254,403,768/178,601,541.68
  6. Step 6: Final answer
    x = 129,867,435.84

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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.