Home / 292,791,771.88-439,169,688.60-120,264,109.60

Finding the Fourth Proportional to 292,791,771.88, 439,169,688.60 and 120,264,109.60

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Solution

The fourth proportional to 292,791,771.88, 439,169,688.60 and 120,264,109.60 is: 180,388,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,791,771.88 : 439,169,688.60 = 120,264,109.60 : x
  2. Step 2: Convert to fraction form
    292,791,771.88/439,169,688.60 = 120,264,109.60/x
  3. Step 3: Cross multiply
    292,791,771.88x = 439,169,688.60 × 120,264,109.60
  4. Step 4: Simplify right side
    292,791,771.88x = 52,816,351,562,788,272
  5. Step 5: Solve for x
    x = 52,816,351,562,788,272/292,791,771.88
  6. Step 6: Final answer
    x = 180,388,783.55

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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.