Home / 133,177,426,141.43-199,756,091,926.39-42,415,174,769.96

Finding the Fourth Proportional to 133,177,426,141.43, 199,756,091,926.39 and 42,415,174,769.96

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Solution

The fourth proportional to 133,177,426,141.43, 199,756,091,926.39 and 42,415,174,769.96 is: 63,619,562,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,177,426,141.43 : 199,756,091,926.39 = 42,415,174,769.96 : x
  2. Step 2: Convert to fraction form
    133,177,426,141.43/199,756,091,926.39 = 42,415,174,769.96/x
  3. Step 3: Cross multiply
    133,177,426,141.43x = 199,756,091,926.39 × 42,415,174,769.96
  4. Step 4: Simplify right side
    133,177,426,141.43x = 8,472,689,550,422,826,811,392
  5. Step 5: Solve for x
    x = 8,472,689,550,422,826,811,392/133,177,426,141.43
  6. Step 6: Final answer
    x = 63,619,562,232.91

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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.