Home / 253,403,776.64-349,697,211.76-137,510,272.64

Finding the Fourth Proportional to 253,403,776.64, 349,697,211.76 and 137,510,272.64

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Solution

The fourth proportional to 253,403,776.64, 349,697,211.76 and 137,510,272.64 is: 189,764,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,776.64 : 349,697,211.76 = 137,510,272.64 : x
  2. Step 2: Convert to fraction form
    253,403,776.64/349,697,211.76 = 137,510,272.64/x
  3. Step 3: Cross multiply
    253,403,776.64x = 349,697,211.76 × 137,510,272.64
  4. Step 4: Simplify right side
    253,403,776.64x = 48,086,958,930,565,408
  5. Step 5: Solve for x
    x = 48,086,958,930,565,408/253,403,776.64
  6. Step 6: Final answer
    x = 189,764,176.24

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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.