Home / 172,260,078.90-258,531,123.15-170,916,386.10

Finding the Fourth Proportional to 172,260,078.90, 258,531,123.15 and 170,916,386.10

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Solution

The fourth proportional to 172,260,078.90, 258,531,123.15 and 170,916,386.10 is: 256,514,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,260,078.90 : 258,531,123.15 = 170,916,386.10 : x
  2. Step 2: Convert to fraction form
    172,260,078.90/258,531,123.15 = 170,916,386.10/x
  3. Step 3: Cross multiply
    172,260,078.90x = 258,531,123.15 × 170,916,386.10
  4. Step 4: Simplify right side
    172,260,078.90x = 44,187,205,263,172,048
  5. Step 5: Solve for x
    x = 44,187,205,263,172,048/172,260,078.90
  6. Step 6: Final answer
    x = 256,514,484.06

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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.