Home / 120,139,522.10-180,209,578.28-33,878,380.94

Finding the Fourth Proportional to 120,139,522.10, 180,209,578.28 and 33,878,380.94

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Solution

The fourth proportional to 120,139,522.10, 180,209,578.28 and 33,878,380.94 is: 50,817,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,139,522.10 : 180,209,578.28 = 33,878,380.94 : x
  2. Step 2: Convert to fraction form
    120,139,522.10/180,209,578.28 = 33,878,380.94/x
  3. Step 3: Cross multiply
    120,139,522.10x = 180,209,578.28 × 33,878,380.94
  4. Step 4: Simplify right side
    120,139,522.10x = 6,105,208,740,936,151
  5. Step 5: Solve for x
    x = 6,105,208,740,936,151/120,139,522.10
  6. Step 6: Final answer
    x = 50,817,654.63

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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.