Home / 195,142,057,501.77-292,366,791,786.72-81,571,428,837.45

Finding the Fourth Proportional to 195,142,057,501.77, 292,366,791,786.72 and 81,571,428,837.45

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Solution

The fourth proportional to 195,142,057,501.77, 292,366,791,786.72 and 81,571,428,837.45 is: 122,212,388,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,142,057,501.77 : 292,366,791,786.72 = 81,571,428,837.45 : x
  2. Step 2: Convert to fraction form
    195,142,057,501.77/292,366,791,786.72 = 81,571,428,837.45/x
  3. Step 3: Cross multiply
    195,142,057,501.77x = 292,366,791,786.72 × 81,571,428,837.45
  4. Step 4: Simplify right side
    195,142,057,501.77x = 23,848,776,950,663,989,952,512
  5. Step 5: Solve for x
    x = 23,848,776,950,663,989,952,512/195,142,057,501.77
  6. Step 6: Final answer
    x = 122,212,388,533.66

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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.