Home / 120,590,780.18-180,960,572.21-55,882,524.02

Finding the Fourth Proportional to 120,590,780.18, 180,960,572.21 and 55,882,524.02

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Solution

The fourth proportional to 120,590,780.18, 180,960,572.21 and 55,882,524.02 is: 83,858,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,590,780.18 : 180,960,572.21 = 55,882,524.02 : x
  2. Step 2: Convert to fraction form
    120,590,780.18/180,960,572.21 = 55,882,524.02/x
  3. Step 3: Cross multiply
    120,590,780.18x = 180,960,572.21 × 55,882,524.02
  4. Step 4: Simplify right side
    120,590,780.18x = 10,112,533,522,014,054
  5. Step 5: Solve for x
    x = 10,112,533,522,014,054/120,590,780.18
  6. Step 6: Final answer
    x = 83,858,264.35

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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.