Home / 278,702,180.02-384,610,503.88-153,262,464.76

Finding the Fourth Proportional to 278,702,180.02, 384,610,503.88 and 153,262,464.76

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Solution

The fourth proportional to 278,702,180.02, 384,610,503.88 and 153,262,464.76 is: 211,503,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,702,180.02 : 384,610,503.88 = 153,262,464.76 : x
  2. Step 2: Convert to fraction form
    278,702,180.02/384,610,503.88 = 153,262,464.76/x
  3. Step 3: Cross multiply
    278,702,180.02x = 384,610,503.88 × 153,262,464.76
  4. Step 4: Simplify right side
    278,702,180.02x = 58,946,353,797,234,336
  5. Step 5: Solve for x
    x = 58,946,353,797,234,336/278,702,180.02
  6. Step 6: Final answer
    x = 211,503,023.74

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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.