Home / 253,403,865.39-349,697,334.21-137,510,361.39

Finding the Fourth Proportional to 253,403,865.39, 349,697,334.21 and 137,510,361.39

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Solution

The fourth proportional to 253,403,865.39, 349,697,334.21 and 137,510,361.39 is: 189,764,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,865.39 : 349,697,334.21 = 137,510,361.39 : x
  2. Step 2: Convert to fraction form
    253,403,865.39/349,697,334.21 = 137,510,361.39/x
  3. Step 3: Cross multiply
    253,403,865.39x = 349,697,334.21 × 137,510,361.39
  4. Step 4: Simplify right side
    253,403,865.39x = 48,087,006,804,336,704
  5. Step 5: Solve for x
    x = 48,087,006,804,336,704/253,403,865.39
  6. Step 6: Final answer
    x = 189,764,298.70

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