Home / 65,923,798.56-90,968,287.14-38,055,486.90

Finding the Fourth Proportional to 65,923,798.56, 90,968,287.14 and 38,055,486.90

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Solution

The fourth proportional to 65,923,798.56, 90,968,287.14 and 38,055,486.90 is: 52,512,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923,798.56 : 90,968,287.14 = 38,055,486.90 : x
  2. Step 2: Convert to fraction form
    65,923,798.56/90,968,287.14 = 38,055,486.90/x
  3. Step 3: Cross multiply
    65,923,798.56x = 90,968,287.14 × 38,055,486.90
  4. Step 4: Simplify right side
    65,923,798.56x = 3,461,842,459,571,708.50
  5. Step 5: Solve for x
    x = 3,461,842,459,571,708.50/65,923,798.56
  6. Step 6: Final answer
    x = 52,512,788.02

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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.