Home / 280,063,615.30-420,095,422.95-144,014,719.30

Finding the Fourth Proportional to 280,063,615.30, 420,095,422.95 and 144,014,719.30

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Solution

The fourth proportional to 280,063,615.30, 420,095,422.95 and 144,014,719.30 is: 216,022,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,063,615.30 : 420,095,422.95 = 144,014,719.30 : x
  2. Step 2: Convert to fraction form
    280,063,615.30/420,095,422.95 = 144,014,719.30/x
  3. Step 3: Cross multiply
    280,063,615.30x = 420,095,422.95 × 144,014,719.30
  4. Step 4: Simplify right side
    280,063,615.30x = 60,499,924,415,359,032
  5. Step 5: Solve for x
    x = 60,499,924,415,359,032/280,063,615.30
  6. Step 6: Final answer
    x = 216,022,078.95

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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.