Home / 253,403,942.06-349,697,440.08-137,510,438.06

Finding the Fourth Proportional to 253,403,942.06, 349,697,440.08 and 137,510,438.06

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Solution

The fourth proportional to 253,403,942.06, 349,697,440.08 and 137,510,438.06 is: 189,764,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,942.06 : 349,697,440.08 = 137,510,438.06 : x
  2. Step 2: Convert to fraction form
    253,403,942.06/349,697,440.08 = 137,510,438.06/x
  3. Step 3: Cross multiply
    253,403,942.06x = 349,697,440.08 × 137,510,438.06
  4. Step 4: Simplify right side
    253,403,942.06x = 48,087,048,173,861,400
  5. Step 5: Solve for x
    x = 48,087,048,173,861,400/253,403,942.06
  6. Step 6: Final answer
    x = 189,764,404.54

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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.