Home / 279,314,039.64-385,465,333.50-155,554,716.36

Finding the Fourth Proportional to 279,314,039.64, 385,465,333.50 and 155,554,716.36

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Solution

The fourth proportional to 279,314,039.64, 385,465,333.50 and 155,554,716.36 is: 214,672,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,314,039.64 : 385,465,333.50 = 155,554,716.36 : x
  2. Step 2: Convert to fraction form
    279,314,039.64/385,465,333.50 = 155,554,716.36/x
  3. Step 3: Cross multiply
    279,314,039.64x = 385,465,333.50 × 155,554,716.36
  4. Step 4: Simplify right side
    279,314,039.64x = 59,960,950,619,205,312
  5. Step 5: Solve for x
    x = 59,960,950,619,205,312/279,314,039.64
  6. Step 6: Final answer
    x = 214,672,168.63

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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.