Home / 65,302,465.40-97,841,723.70-42,571,662.20

Finding the Fourth Proportional to 65,302,465.40, 97,841,723.70 and 42,571,662.20

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Solution

The fourth proportional to 65,302,465.40, 97,841,723.70 and 42,571,662.20 is: 63,784,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,302,465.40 : 97,841,723.70 = 42,571,662.20 : x
  2. Step 2: Convert to fraction form
    65,302,465.40/97,841,723.70 = 42,571,662.20/x
  3. Step 3: Cross multiply
    65,302,465.40x = 97,841,723.70 × 42,571,662.20
  4. Step 4: Simplify right side
    65,302,465.40x = 4,165,284,810,422,134.50
  5. Step 5: Solve for x
    x = 4,165,284,810,422,134.50/65,302,465.40
  6. Step 6: Final answer
    x = 63,784,495.50

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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.