Home / 253,403,847.60-349,697,309.72-137,510,343.60

Finding the Fourth Proportional to 253,403,847.60, 349,697,309.72 and 137,510,343.60

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Solution

The fourth proportional to 253,403,847.60, 349,697,309.72 and 137,510,343.60 is: 189,764,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,847.60 : 349,697,309.72 = 137,510,343.60 : x
  2. Step 2: Convert to fraction form
    253,403,847.60/349,697,309.72 = 137,510,343.60/x
  3. Step 3: Cross multiply
    253,403,847.60x = 349,697,309.72 × 137,510,343.60
  4. Step 4: Simplify right side
    253,403,847.60x = 48,086,997,215,592,824
  5. Step 5: Solve for x
    x = 48,086,997,215,592,824/253,403,847.60
  6. Step 6: Final answer
    x = 189,764,274.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.