Home / 90,960,284.64-125,537,994.60-57,909,976.14

Finding the Fourth Proportional to 90,960,284.64, 125,537,994.60 and 57,909,976.14

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Solution

The fourth proportional to 90,960,284.64, 125,537,994.60 and 57,909,976.14 is: 79,923,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,960,284.64 : 125,537,994.60 = 57,909,976.14 : x
  2. Step 2: Convert to fraction form
    90,960,284.64/125,537,994.60 = 57,909,976.14/x
  3. Step 3: Cross multiply
    90,960,284.64x = 125,537,994.60 × 57,909,976.14
  4. Step 4: Simplify right side
    90,960,284.64x = 7,269,902,271,949,449
  5. Step 5: Solve for x
    x = 7,269,902,271,949,449/90,960,284.64
  6. Step 6: Final answer
    x = 79,923,917.35

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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.