Home / 165,785,272,207.65-228,783,673,875.04-89,661,686,202.81

Finding the Fourth Proportional to 165,785,272,207.65, 228,783,673,875.04 and 89,661,686,202.81

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Solution

The fourth proportional to 165,785,272,207.65, 228,783,673,875.04 and 89,661,686,202.81 is: 123,733,126,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,785,272,207.65 : 228,783,673,875.04 = 89,661,686,202.81 : x
  2. Step 2: Convert to fraction form
    165,785,272,207.65/228,783,673,875.04 = 89,661,686,202.81/x
  3. Step 3: Cross multiply
    165,785,272,207.65x = 228,783,673,875.04 × 89,661,686,202.81
  4. Step 4: Simplify right side
    165,785,272,207.65x = 20,513,129,975,310,771,552,256
  5. Step 5: Solve for x
    x = 20,513,129,975,310,771,552,256/165,785,272,207.65
  6. Step 6: Final answer
    x = 123,733,126,001.79

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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.