Home / 165,785,272,209.15-228,783,673,877.11-89,661,686,204.31

Finding the Fourth Proportional to 165,785,272,209.15, 228,783,673,877.11 and 89,661,686,204.31

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Solution

The fourth proportional to 165,785,272,209.15, 228,783,673,877.11 and 89,661,686,204.31 is: 123,733,126,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,785,272,209.15 : 228,783,673,877.11 = 89,661,686,204.31 : x
  2. Step 2: Convert to fraction form
    165,785,272,209.15/228,783,673,877.11 = 89,661,686,204.31/x
  3. Step 3: Cross multiply
    165,785,272,209.15x = 228,783,673,877.11 × 89,661,686,204.31
  4. Step 4: Simplify right side
    165,785,272,209.15x = 20,513,129,975,838,628,904,960
  5. Step 5: Solve for x
    x = 20,513,129,975,838,628,904,960/165,785,272,209.15
  6. Step 6: Final answer
    x = 123,733,126,003.86

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1.5x scale

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.