Home / 120,580,666.20-180,870,999.30-63,090,559.80

Finding the Fourth Proportional to 120,580,666.20, 180,870,999.30 and 63,090,559.80

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Solution

The fourth proportional to 120,580,666.20, 180,870,999.30 and 63,090,559.80 is: 94,635,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,580,666.20 : 180,870,999.30 = 63,090,559.80 : x
  2. Step 2: Convert to fraction form
    120,580,666.20/180,870,999.30 = 63,090,559.80/x
  3. Step 3: Cross multiply
    120,580,666.20x = 180,870,999.30 × 63,090,559.80
  4. Step 4: Simplify right side
    120,580,666.20x = 11,411,252,597,422,408
  5. Step 5: Solve for x
    x = 11,411,252,597,422,408/120,580,666.20
  6. Step 6: Final answer
    x = 94,635,839.70

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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.