Home / 112,139,953.20-168,028,846.20-63,473,079.60

Finding the Fourth Proportional to 112,139,953.20, 168,028,846.20 and 63,473,079.60

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Solution

The fourth proportional to 112,139,953.20, 168,028,846.20 and 63,473,079.60 is: 95,107,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,139,953.20 : 168,028,846.20 = 63,473,079.60 : x
  2. Step 2: Convert to fraction form
    112,139,953.20/168,028,846.20 = 63,473,079.60/x
  3. Step 3: Cross multiply
    112,139,953.20x = 168,028,846.20 × 63,473,079.60
  4. Step 4: Simplify right side
    112,139,953.20x = 10,665,308,329,948,758
  5. Step 5: Solve for x
    x = 10,665,308,329,948,758/112,139,953.20
  6. Step 6: Final answer
    x = 95,107,123.07

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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.