Home / 163,248,979.20-245,138,889.60-118,127,443.20

Finding the Fourth Proportional to 163,248,979.20, 245,138,889.60 and 118,127,443.20

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Solution

The fourth proportional to 163,248,979.20, 245,138,889.60 and 118,127,443.20 is: 177,383,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,248,979.20 : 245,138,889.60 = 118,127,443.20 : x
  2. Step 2: Convert to fraction form
    163,248,979.20/245,138,889.60 = 118,127,443.20/x
  3. Step 3: Cross multiply
    163,248,979.20x = 245,138,889.60 × 118,127,443.20
  4. Step 4: Simplify right side
    163,248,979.20x = 28,957,630,257,335,072
  5. Step 5: Solve for x
    x = 28,957,630,257,335,072/163,248,979.20
  6. Step 6: Final answer
    x = 177,383,224.07

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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.