Home / 123,579,354.81-170,547,481.26-68,575,211.31

Finding the Fourth Proportional to 123,579,354.81, 170,547,481.26 and 68,575,211.31

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Solution

The fourth proportional to 123,579,354.81, 170,547,481.26 and 68,575,211.31 is: 94,638,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,579,354.81 : 170,547,481.26 = 68,575,211.31 : x
  2. Step 2: Convert to fraction form
    123,579,354.81/170,547,481.26 = 68,575,211.31/x
  3. Step 3: Cross multiply
    123,579,354.81x = 170,547,481.26 × 68,575,211.31
  4. Step 4: Simplify right side
    123,579,354.81x = 11,695,329,566,432,318
  5. Step 5: Solve for x
    x = 11,695,329,566,432,318/123,579,354.81
  6. Step 6: Final answer
    x = 94,638,215.13

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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.