Home / 253,462,113.60-380,236,091.94-87,420,532.84

Finding the Fourth Proportional to 253,462,113.60, 380,236,091.94 and 87,420,532.84

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Solution

The fourth proportional to 253,462,113.60, 380,236,091.94 and 87,420,532.84 is: 131,145,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,462,113.60 : 380,236,091.94 = 87,420,532.84 : x
  2. Step 2: Convert to fraction form
    253,462,113.60/380,236,091.94 = 87,420,532.84/x
  3. Step 3: Cross multiply
    253,462,113.60x = 380,236,091.94 × 87,420,532.84
  4. Step 4: Simplify right side
    253,462,113.60x = 33,240,441,761,443,440
  5. Step 5: Solve for x
    x = 33,240,441,761,443,440/253,462,113.60
  6. Step 6: Final answer
    x = 131,145,603.14

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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.