Home / 253,403,994.12-349,697,511.96-137,510,490.12

Finding the Fourth Proportional to 253,403,994.12, 349,697,511.96 and 137,510,490.12

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Solution

The fourth proportional to 253,403,994.12, 349,697,511.96 and 137,510,490.12 is: 189,764,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,403,994.12 : 349,697,511.96 = 137,510,490.12 : x
  2. Step 2: Convert to fraction form
    253,403,994.12/349,697,511.96 = 137,510,490.12/x
  3. Step 3: Cross multiply
    253,403,994.12x = 349,697,511.96 × 137,510,490.12
  4. Step 4: Simplify right side
    253,403,994.12x = 48,087,076,263,364,160
  5. Step 5: Solve for x
    x = 48,087,076,263,364,160/253,403,994.12
  6. Step 6: Final answer
    x = 189,764,476.41

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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.