Home / 120,262,273.52-165,962,392.63-65,258,130.02

Finding the Fourth Proportional to 120,262,273.52, 165,962,392.63 and 65,258,130.02

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Solution

The fourth proportional to 120,262,273.52, 165,962,392.63 and 65,258,130.02 is: 90,056,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262,273.52 : 165,962,392.63 = 65,258,130.02 : x
  2. Step 2: Convert to fraction form
    120,262,273.52/165,962,392.63 = 65,258,130.02/x
  3. Step 3: Cross multiply
    120,262,273.52x = 165,962,392.63 × 65,258,130.02
  4. Step 4: Simplify right side
    120,262,273.52x = 10,830,395,396,678,830
  5. Step 5: Solve for x
    x = 10,830,395,396,678,830/120,262,273.52
  6. Step 6: Final answer
    x = 90,056,466.42

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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.