Home / 355,654,856.80-533,780,883.60-161,864,495.20

Finding the Fourth Proportional to 355,654,856.80, 533,780,883.60 and 161,864,495.20

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Solution

The fourth proportional to 355,654,856.80, 533,780,883.60 and 161,864,495.20 is: 242,932,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,654,856.80 : 533,780,883.60 = 161,864,495.20 : x
  2. Step 2: Convert to fraction form
    355,654,856.80/533,780,883.60 = 161,864,495.20/x
  3. Step 3: Cross multiply
    355,654,856.80x = 533,780,883.60 × 161,864,495.20
  4. Step 4: Simplify right side
    355,654,856.80x = 86,400,173,271,323,952
  5. Step 5: Solve for x
    x = 86,400,173,271,323,952/355,654,856.80
  6. Step 6: Final answer
    x = 242,932,639.94

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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.