Home / 279,907,808.34-386,464,032.45-181,027,881.30

Finding the Fourth Proportional to 279,907,808.34, 386,464,032.45 and 181,027,881.30

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Solution

The fourth proportional to 279,907,808.34, 386,464,032.45 and 181,027,881.30 is: 249,942,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,808.34 : 386,464,032.45 = 181,027,881.30 : x
  2. Step 2: Convert to fraction form
    279,907,808.34/386,464,032.45 = 181,027,881.30/x
  3. Step 3: Cross multiply
    279,907,808.34x = 386,464,032.45 × 181,027,881.30
  4. Step 4: Simplify right side
    279,907,808.34x = 69,960,764,993,077,952
  5. Step 5: Solve for x
    x = 69,960,764,993,077,952/279,907,808.34
  6. Step 6: Final answer
    x = 249,942,169.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.