Home / 149,801,774,533.79-206,748,832,072.82-117,926,995,939.13

Finding the Fourth Proportional to 149,801,774,533.79, 206,748,832,072.82 and 117,926,995,939.13

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Solution

The fourth proportional to 149,801,774,533.79, 206,748,832,072.82 and 117,926,995,939.13 is: 162,756,874,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,801,774,533.79 : 206,748,832,072.82 = 117,926,995,939.13 : x
  2. Step 2: Convert to fraction form
    149,801,774,533.79/206,748,832,072.82 = 117,926,995,939.13/x
  3. Step 3: Cross multiply
    149,801,774,533.79x = 206,748,832,072.82 × 117,926,995,939.13
  4. Step 4: Simplify right side
    149,801,774,533.79x = 24,381,268,680,271,315,599,360
  5. Step 5: Solve for x
    x = 24,381,268,680,271,315,599,360/149,801,774,533.79
  6. Step 6: Final answer
    x = 162,756,874,917.87

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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.