Home / 66,753,155.84-100,171,853.76-28,414,607.36

Finding the Fourth Proportional to 66,753,155.84, 100,171,853.76 and 28,414,607.36

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Solution

The fourth proportional to 66,753,155.84, 100,171,853.76 and 28,414,607.36 is: 42,639,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753,155.84 : 100,171,853.76 = 28,414,607.36 : x
  2. Step 2: Convert to fraction form
    66,753,155.84/100,171,853.76 = 28,414,607.36/x
  3. Step 3: Cross multiply
    66,753,155.84x = 100,171,853.76 × 28,414,607.36
  4. Step 4: Simplify right side
    66,753,155.84x = 2,846,343,893,113,740
  5. Step 5: Solve for x
    x = 2,846,343,893,113,740/66,753,155.84
  6. Step 6: Final answer
    x = 42,639,840.13

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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.