Home / 99,664,945.20-149,497,417.80-65,227,568.40

Finding the Fourth Proportional to 99,664,945.20, 149,497,417.80 and 65,227,568.40

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Solution

The fourth proportional to 99,664,945.20, 149,497,417.80 and 65,227,568.40 is: 97,841,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664,945.20 : 149,497,417.80 = 65,227,568.40 : x
  2. Step 2: Convert to fraction form
    99,664,945.20/149,497,417.80 = 65,227,568.40/x
  3. Step 3: Cross multiply
    99,664,945.20x = 149,497,417.80 × 65,227,568.40
  4. Step 4: Simplify right side
    99,664,945.20x = 9,751,353,045,172,878
  5. Step 5: Solve for x
    x = 9,751,353,045,172,878/99,664,945.20
  6. Step 6: Final answer
    x = 97,841,352.60

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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.