Home / 120,139,553.75-180,209,625.93-33,878,412.59

Finding the Fourth Proportional to 120,139,553.75, 180,209,625.93 and 33,878,412.59

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Solution

The fourth proportional to 120,139,553.75, 180,209,625.93 and 33,878,412.59 is: 50,817,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,139,553.75 : 180,209,625.93 = 33,878,412.59 : x
  2. Step 2: Convert to fraction form
    120,139,553.75/180,209,625.93 = 33,878,412.59/x
  3. Step 3: Cross multiply
    120,139,553.75x = 180,209,625.93 × 33,878,412.59
  4. Step 4: Simplify right side
    120,139,553.75x = 6,105,216,059,045,055
  5. Step 5: Solve for x
    x = 6,105,216,059,045,055/120,139,553.75
  6. Step 6: Final answer
    x = 50,817,702.15

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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.