Home / 132,858,491.40-199,250,412.30-42,009,928.20

Finding the Fourth Proportional to 132,858,491.40, 199,250,412.30 and 42,009,928.20

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Solution

The fourth proportional to 132,858,491.40, 199,250,412.30 and 42,009,928.20 is: 63,003,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858,491.40 : 199,250,412.30 = 42,009,928.20 : x
  2. Step 2: Convert to fraction form
    132,858,491.40/199,250,412.30 = 42,009,928.20/x
  3. Step 3: Cross multiply
    132,858,491.40x = 199,250,412.30 × 42,009,928.20
  4. Step 4: Simplify right side
    132,858,491.40x = 8,370,495,514,543,398
  5. Step 5: Solve for x
    x = 8,370,495,514,543,398/132,858,491.40
  6. Step 6: Final answer
    x = 63,003,090.18

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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.