Home / 248,918,896.80-373,378,345.20-67,165,783.20

Finding the Fourth Proportional to 248,918,896.80, 373,378,345.20 and 67,165,783.20

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Solution

The fourth proportional to 248,918,896.80, 373,378,345.20 and 67,165,783.20 is: 100,748,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,918,896.80 : 373,378,345.20 = 67,165,783.20 : x
  2. Step 2: Convert to fraction form
    248,918,896.80/373,378,345.20 = 67,165,783.20/x
  3. Step 3: Cross multiply
    248,918,896.80x = 373,378,345.20 × 67,165,783.20
  4. Step 4: Simplify right side
    248,918,896.80x = 25,078,248,985,277,960
  5. Step 5: Solve for x
    x = 25,078,248,985,277,960/248,918,896.80
  6. Step 6: Final answer
    x = 100,748,674.80

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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.