Home / 115,184,466.40-172,776,699.60-84,573,464.80

Finding the Fourth Proportional to 115,184,466.40, 172,776,699.60 and 84,573,464.80

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Solution

The fourth proportional to 115,184,466.40, 172,776,699.60 and 84,573,464.80 is: 126,860,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184,466.40 : 172,776,699.60 = 84,573,464.80 : x
  2. Step 2: Convert to fraction form
    115,184,466.40/172,776,699.60 = 84,573,464.80/x
  3. Step 3: Cross multiply
    115,184,466.40x = 172,776,699.60 × 84,573,464.80
  4. Step 4: Simplify right side
    115,184,466.40x = 14,612,324,121,880,774
  5. Step 5: Solve for x
    x = 14,612,324,121,880,774/115,184,466.40
  6. Step 6: Final answer
    x = 126,860,197.20

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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.