Home / 120,566,999.70-180,850,499.55-38,685,719.70

Finding the Fourth Proportional to 120,566,999.70, 180,850,499.55 and 38,685,719.70

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Solution

The fourth proportional to 120,566,999.70, 180,850,499.55 and 38,685,719.70 is: 58,028,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,566,999.70 : 180,850,499.55 = 38,685,719.70 : x
  2. Step 2: Convert to fraction form
    120,566,999.70/180,850,499.55 = 38,685,719.70/x
  3. Step 3: Cross multiply
    120,566,999.70x = 180,850,499.55 × 38,685,719.70
  4. Step 4: Simplify right side
    120,566,999.70x = 6,996,331,733,196,277
  5. Step 5: Solve for x
    x = 6,996,331,733,196,277/120,566,999.70
  6. Step 6: Final answer
    x = 58,028,579.55

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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.