Home / 187,243,801.20-280,865,701.80-164,568,985.20

Finding the Fourth Proportional to 187,243,801.20, 280,865,701.80 and 164,568,985.20

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Solution

The fourth proportional to 187,243,801.20, 280,865,701.80 and 164,568,985.20 is: 246,853,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,243,801.20 : 280,865,701.80 = 164,568,985.20 : x
  2. Step 2: Convert to fraction form
    187,243,801.20/280,865,701.80 = 164,568,985.20/x
  3. Step 3: Cross multiply
    187,243,801.20x = 280,865,701.80 × 164,568,985.20
  4. Step 4: Simplify right side
    187,243,801.20x = 46,221,783,522,711,808
  5. Step 5: Solve for x
    x = 46,221,783,522,711,808/187,243,801.20
  6. Step 6: Final answer
    x = 246,853,477.80

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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.