Home / 315,552,692.90-473,105,090.55-121,389,083.30

Finding the Fourth Proportional to 315,552,692.90, 473,105,090.55 and 121,389,083.30

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Solution

The fourth proportional to 315,552,692.90, 473,105,090.55 and 121,389,083.30 is: 181,997,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,552,692.90 : 473,105,090.55 = 121,389,083.30 : x
  2. Step 2: Convert to fraction form
    315,552,692.90/473,105,090.55 = 121,389,083.30/x
  3. Step 3: Cross multiply
    315,552,692.90x = 473,105,090.55 × 121,389,083.30
  4. Step 4: Simplify right side
    315,552,692.90x = 57,429,793,246,427,992
  5. Step 5: Solve for x
    x = 57,429,793,246,427,992/315,552,692.90
  6. Step 6: Final answer
    x = 181,997,474.71

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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.