Home / 120,666,495.20-180,999,742.80-43,992,024.80

Finding the Fourth Proportional to 120,666,495.20, 180,999,742.80 and 43,992,024.80

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Solution

The fourth proportional to 120,666,495.20, 180,999,742.80 and 43,992,024.80 is: 65,988,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,666,495.20 : 180,999,742.80 = 43,992,024.80 : x
  2. Step 2: Convert to fraction form
    120,666,495.20/180,999,742.80 = 43,992,024.80/x
  3. Step 3: Cross multiply
    120,666,495.20x = 180,999,742.80 × 43,992,024.80
  4. Step 4: Simplify right side
    120,666,495.20x = 7,962,545,174,051,221
  5. Step 5: Solve for x
    x = 7,962,545,174,051,221/120,666,495.20
  6. Step 6: Final answer
    x = 65,988,037.20

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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.