Home / 215,740,700.81-323,841,342.08-92,979,601.27

Finding the Fourth Proportional to 215,740,700.81, 323,841,342.08 and 92,979,601.27

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Solution

The fourth proportional to 215,740,700.81, 323,841,342.08 and 92,979,601.27 is: 139,568,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,740,700.81 : 323,841,342.08 = 92,979,601.27 : x
  2. Step 2: Convert to fraction form
    215,740,700.81/323,841,342.08 = 92,979,601.27/x
  3. Step 3: Cross multiply
    215,740,700.81x = 323,841,342.08 × 92,979,601.27
  4. Step 4: Simplify right side
    215,740,700.81x = 30,110,638,860,875,172
  5. Step 5: Solve for x
    x = 30,110,638,860,875,172/215,740,700.81
  6. Step 6: Final answer
    x = 139,568,652.31

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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.