Home / 424,396,123.10-636,930,107.85-165,735,259.10

Finding the Fourth Proportional to 424,396,123.10, 636,930,107.85 and 165,735,259.10

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Solution

The fourth proportional to 424,396,123.10, 636,930,107.85 and 165,735,259.10 is: 248,734,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,396,123.10 : 636,930,107.85 = 165,735,259.10 : x
  2. Step 2: Convert to fraction form
    424,396,123.10/636,930,107.85 = 165,735,259.10/x
  3. Step 3: Cross multiply
    424,396,123.10x = 636,930,107.85 × 165,735,259.10
  4. Step 4: Simplify right side
    424,396,123.10x = 105,561,776,453,110,688
  5. Step 5: Solve for x
    x = 105,561,776,453,110,688/424,396,123.10
  6. Step 6: Final answer
    x = 248,734,073.45

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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.