Home / 165,429,129.30-248,153,025.15-50,417,423.70

Finding the Fourth Proportional to 165,429,129.30, 248,153,025.15 and 50,417,423.70

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Solution

The fourth proportional to 165,429,129.30, 248,153,025.15 and 50,417,423.70 is: 75,628,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,429,129.30 : 248,153,025.15 = 50,417,423.70 : x
  2. Step 2: Convert to fraction form
    165,429,129.30/248,153,025.15 = 50,417,423.70/x
  3. Step 3: Cross multiply
    165,429,129.30x = 248,153,025.15 × 50,417,423.70
  4. Step 4: Simplify right side
    165,429,129.30x = 12,511,236,211,424,308
  5. Step 5: Solve for x
    x = 12,511,236,211,424,308/165,429,129.30
  6. Step 6: Final answer
    x = 75,628,979.40

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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.