Home / 257,550,820-386,485,133.36-119,350,667.44

Finding the Fourth Proportional to 257,550,820, 386,485,133.36 and 119,350,667.44

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Solution

The fourth proportional to 257,550,820, 386,485,133.36 and 119,350,667.44 is: 179,099,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,550,820 : 386,485,133.36 = 119,350,667.44 : x
  2. Step 2: Convert to fraction form
    257,550,820/386,485,133.36 = 119,350,667.44/x
  3. Step 3: Cross multiply
    257,550,820x = 386,485,133.36 × 119,350,667.44
  4. Step 4: Simplify right side
    257,550,820x = 46,127,258,621,855,032
  5. Step 5: Solve for x
    x = 46,127,258,621,855,032/257,550,820
  6. Step 6: Final answer
    x = 179,099,637.97

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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.