Home / 83,609,855,999.90-125,414,783,999.85-77,224,627,814.30

Finding the Fourth Proportional to 83,609,855,999.90, 125,414,783,999.85 and 77,224,627,814.30

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Solution

The fourth proportional to 83,609,855,999.90, 125,414,783,999.85 and 77,224,627,814.30 is: 115,836,941,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,609,855,999.90 : 125,414,783,999.85 = 77,224,627,814.30 : x
  2. Step 2: Convert to fraction form
    83,609,855,999.90/125,414,783,999.85 = 77,224,627,814.30/x
  3. Step 3: Cross multiply
    83,609,855,999.90x = 125,414,783,999.85 × 77,224,627,814.30
  4. Step 4: Simplify right side
    83,609,855,999.90x = 9,685,110,016,799,244,550,144
  5. Step 5: Solve for x
    x = 9,685,110,016,799,244,550,144/83,609,855,999.90
  6. Step 6: Final answer
    x = 115,836,941,721.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.