Home / 195,142,057,499.77-292,366,791,783.72-81,571,428,835.45

Finding the Fourth Proportional to 195,142,057,499.77, 292,366,791,783.72 and 81,571,428,835.45

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Solution

The fourth proportional to 195,142,057,499.77, 292,366,791,783.72 and 81,571,428,835.45 is: 122,212,388,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,142,057,499.77 : 292,366,791,783.72 = 81,571,428,835.45 : x
  2. Step 2: Convert to fraction form
    195,142,057,499.77/292,366,791,783.72 = 81,571,428,835.45/x
  3. Step 3: Cross multiply
    195,142,057,499.77x = 292,366,791,783.72 × 81,571,428,835.45
  4. Step 4: Simplify right side
    195,142,057,499.77x = 23,848,776,949,834,541,170,688
  5. Step 5: Solve for x
    x = 23,848,776,949,834,541,170,688/195,142,057,499.77
  6. Step 6: Final answer
    x = 122,212,388,530.66

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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.