Home / 279,233,537.30-385,329,848.54-160,070,699.31

Finding the Fourth Proportional to 279,233,537.30, 385,329,848.54 and 160,070,699.31

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Solution

The fourth proportional to 279,233,537.30, 385,329,848.54 and 160,070,699.31 is: 220,890,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,233,537.30 : 385,329,848.54 = 160,070,699.31 : x
  2. Step 2: Convert to fraction form
    279,233,537.30/385,329,848.54 = 160,070,699.31/x
  3. Step 3: Cross multiply
    279,233,537.30x = 385,329,848.54 × 160,070,699.31
  4. Step 4: Simplify right side
    279,233,537.30x = 61,680,018,319,471,640
  5. Step 5: Solve for x
    x = 61,680,018,319,471,640/279,233,537.30
  6. Step 6: Final answer
    x = 220,890,437.86

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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.