Home / 253,403,700.75-349,697,107.04-137,510,196.75

Finding the Fourth Proportional to 253,403,700.75, 349,697,107.04 and 137,510,196.75

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Solution

The fourth proportional to 253,403,700.75, 349,697,107.04 and 137,510,196.75 is: 189,764,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,700.75 : 349,697,107.04 = 137,510,196.75 : x
  2. Step 2: Convert to fraction form
    253,403,700.75/349,697,107.04 = 137,510,196.75/x
  3. Step 3: Cross multiply
    253,403,700.75x = 349,697,107.04 × 137,510,196.75
  4. Step 4: Simplify right side
    253,403,700.75x = 48,086,917,991,288,664
  5. Step 5: Solve for x
    x = 48,086,917,991,288,664/253,403,700.75
  6. Step 6: Final answer
    x = 189,764,071.52

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1.5x scale

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.