Home / 554,287,974.85-831,326,002.10-166,110,805.20

Finding the Fourth Proportional to 554,287,974.85, 831,326,002.10 and 166,110,805.20

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Solution

The fourth proportional to 554,287,974.85, 831,326,002.10 and 166,110,805.20 is: 249,134,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,287,974.85 : 831,326,002.10 = 166,110,805.20 : x
  2. Step 2: Convert to fraction form
    554,287,974.85/831,326,002.10 = 166,110,805.20/x
  3. Step 3: Cross multiply
    554,287,974.85x = 831,326,002.10 × 166,110,805.20
  4. Step 4: Simplify right side
    554,287,974.85x = 138,092,231,592,527,888
  5. Step 5: Solve for x
    x = 138,092,231,592,527,888/554,287,974.85
  6. Step 6: Final answer
    x = 249,134,453.31

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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.