Home / 77,692,077,053.76-107,215,232,492.72-43,859,372,162.81

Finding the Fourth Proportional to 77,692,077,053.76, 107,215,232,492.72 and 43,859,372,162.81

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Solution

The fourth proportional to 77,692,077,053.76, 107,215,232,492.72 and 43,859,372,162.81 is: 60,526,027,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,692,077,053.76 : 107,215,232,492.72 = 43,859,372,162.81 : x
  2. Step 2: Convert to fraction form
    77,692,077,053.76/107,215,232,492.72 = 43,859,372,162.81/x
  3. Step 3: Cross multiply
    77,692,077,053.76x = 107,215,232,492.72 × 43,859,372,162.81
  4. Step 4: Simplify right side
    77,692,077,053.76x = 4,702,392,783,419,869,757,440
  5. Step 5: Solve for x
    x = 4,702,392,783,419,869,757,440/77,692,077,053.76
  6. Step 6: Final answer
    x = 60,526,027,385.85

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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.