Home / 120,266,107.04-165,970,443.48-65,262,007.28

Finding the Fourth Proportional to 120,266,107.04, 165,970,443.48 and 65,262,007.28

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Solution

The fourth proportional to 120,266,107.04, 165,970,443.48 and 65,262,007.28 is: 90,063,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,266,107.04 : 165,970,443.48 = 65,262,007.28 : x
  2. Step 2: Convert to fraction form
    120,266,107.04/165,970,443.48 = 65,262,007.28/x
  3. Step 3: Cross multiply
    120,266,107.04x = 165,970,443.48 × 65,262,007.28
  4. Step 4: Simplify right side
    120,266,107.04x = 10,831,564,290,656,588
  5. Step 5: Solve for x
    x = 10,831,564,290,656,588/120,266,107.04
  6. Step 6: Final answer
    x = 90,063,315.07

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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.