Home / 228,753,221.80-315,682,642.02-124,331,261.80

Finding the Fourth Proportional to 228,753,221.80, 315,682,642.02 and 124,331,261.80

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Solution

The fourth proportional to 228,753,221.80, 315,682,642.02 and 124,331,261.80 is: 171,578,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,753,221.80 : 315,682,642.02 = 124,331,261.80 : x
  2. Step 2: Convert to fraction form
    228,753,221.80/315,682,642.02 = 124,331,261.80/x
  3. Step 3: Cross multiply
    228,753,221.80x = 315,682,642.02 × 124,331,261.80
  4. Step 4: Simplify right side
    228,753,221.80x = 39,249,221,210,704,296
  5. Step 5: Solve for x
    x = 39,249,221,210,704,296/228,753,221.80
  6. Step 6: Final answer
    x = 171,578,878.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.