Home / 65,461,761.22-98,164,181.88-18,764,962.68

Finding the Fourth Proportional to 65,461,761.22, 98,164,181.88 and 18,764,962.68

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Solution

The fourth proportional to 65,461,761.22, 98,164,181.88 and 18,764,962.68 is: 28,139,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,461,761.22 : 98,164,181.88 = 18,764,962.68 : x
  2. Step 2: Convert to fraction form
    65,461,761.22/98,164,181.88 = 18,764,962.68/x
  3. Step 3: Cross multiply
    65,461,761.22x = 98,164,181.88 × 18,764,962.68
  4. Step 4: Simplify right side
    65,461,761.22x = 1,842,047,209,490,932
  5. Step 5: Solve for x
    x = 1,842,047,209,490,932/65,461,761.22
  6. Step 6: Final answer
    x = 28,139,285.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.