Home / 320,827,362.10-481,241,043.15-78,490,266.10

Finding the Fourth Proportional to 320,827,362.10, 481,241,043.15 and 78,490,266.10

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Solution

The fourth proportional to 320,827,362.10, 481,241,043.15 and 78,490,266.10 is: 117,735,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,827,362.10 : 481,241,043.15 = 78,490,266.10 : x
  2. Step 2: Convert to fraction form
    320,827,362.10/481,241,043.15 = 78,490,266.10/x
  3. Step 3: Cross multiply
    320,827,362.10x = 481,241,043.15 × 78,490,266.10
  4. Step 4: Simplify right side
    320,827,362.10x = 37,772,737,535,085,080
  5. Step 5: Solve for x
    x = 37,772,737,535,085,080/320,827,362.10
  6. Step 6: Final answer
    x = 117,735,399.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.