Home / 210,826,141.80-316,239,212.70-124,520,123.40

Finding the Fourth Proportional to 210,826,141.80, 316,239,212.70 and 124,520,123.40

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Solution

The fourth proportional to 210,826,141.80, 316,239,212.70 and 124,520,123.40 is: 186,780,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,826,141.80 : 316,239,212.70 = 124,520,123.40 : x
  2. Step 2: Convert to fraction form
    210,826,141.80/316,239,212.70 = 124,520,123.40/x
  3. Step 3: Cross multiply
    210,826,141.80x = 316,239,212.70 × 124,520,123.40
  4. Step 4: Simplify right side
    210,826,141.80x = 39,378,145,789,322,848
  5. Step 5: Solve for x
    x = 39,378,145,789,322,848/210,826,141.80
  6. Step 6: Final answer
    x = 186,780,185.10

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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.