Home / 151,681,925,775.80-209,321,309,911.89-83,091,843,529.76

Finding the Fourth Proportional to 151,681,925,775.80, 209,321,309,911.89 and 83,091,843,529.76

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Solution

The fourth proportional to 151,681,925,775.80, 209,321,309,911.89 and 83,091,843,529.76 is: 114,666,882,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,681,925,775.80 : 209,321,309,911.89 = 83,091,843,529.76 : x
  2. Step 2: Convert to fraction form
    151,681,925,775.80/209,321,309,911.89 = 83,091,843,529.76/x
  3. Step 3: Cross multiply
    151,681,925,775.80x = 209,321,309,911.89 × 83,091,843,529.76
  4. Step 4: Simplify right side
    151,681,925,775.80x = 17,392,893,530,642,120,179,712
  5. Step 5: Solve for x
    x = 17,392,893,530,642,120,179,712/151,681,925,775.80
  6. Step 6: Final answer
    x = 114,666,882,304.43

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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.