Home / 120,372,971.89-180,502,539.38-46,631,290.44

Finding the Fourth Proportional to 120,372,971.89, 180,502,539.38 and 46,631,290.44

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Solution

The fourth proportional to 120,372,971.89, 180,502,539.38 and 46,631,290.44 is: 69,924,886.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,372,971.89 : 180,502,539.38 = 46,631,290.44 : x
  2. Step 2: Convert to fraction form
    120,372,971.89/180,502,539.38 = 46,631,290.44/x
  3. Step 3: Cross multiply
    120,372,971.89x = 180,502,539.38 × 46,631,290.44
  4. Step 4: Simplify right side
    120,372,971.89x = 8,417,066,338,984,193
  5. Step 5: Solve for x
    x = 8,417,066,338,984,193/120,372,971.89
  6. Step 6: Final answer
    x = 69,924,886.02

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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.