Home / 65,162,090.88-89,918,441.28-37,661,800.32

Finding the Fourth Proportional to 65,162,090.88, 89,918,441.28 and 37,661,800.32

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Solution

The fourth proportional to 65,162,090.88, 89,918,441.28 and 37,661,800.32 is: 51,970,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,162,090.88 : 89,918,441.28 = 37,661,800.32 : x
  2. Step 2: Convert to fraction form
    65,162,090.88/89,918,441.28 = 37,661,800.32/x
  3. Step 3: Cross multiply
    65,162,090.88x = 89,918,441.28 × 37,661,800.32
  4. Step 4: Simplify right side
    65,162,090.88x = 3,386,490,380,573,005.50
  5. Step 5: Solve for x
    x = 3,386,490,380,573,005.50/65,162,090.88
  6. Step 6: Final answer
    x = 51,970,253.48

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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.