Home / 149,638,072,772-206,498,895,334.80-81,047,779,608.48

Finding the Fourth Proportional to 149,638,072,772, 206,498,895,334.80 and 81,047,779,608.48

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Solution

The fourth proportional to 149,638,072,772, 206,498,895,334.80 and 81,047,779,608.48 is: 111,845,044,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,638,072,772 : 206,498,895,334.80 = 81,047,779,608.48 : x
  2. Step 2: Convert to fraction form
    149,638,072,772/206,498,895,334.80 = 81,047,779,608.48/x
  3. Step 3: Cross multiply
    149,638,072,772x = 206,498,895,334.80 × 81,047,779,608.48
  4. Step 4: Simplify right side
    149,638,072,772x = 16,736,276,958,489,446,711,296
  5. Step 5: Solve for x
    x = 16,736,276,958,489,446,711,296/149,638,072,772
  6. Step 6: Final answer
    x = 111,845,044,836.89

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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.