Home / 65,219,999.20-97,829,998.80-43,720,914.40

Finding the Fourth Proportional to 65,219,999.20, 97,829,998.80 and 43,720,914.40

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Solution

The fourth proportional to 65,219,999.20, 97,829,998.80 and 43,720,914.40 is: 65,581,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,219,999.20 : 97,829,998.80 = 43,720,914.40 : x
  2. Step 2: Convert to fraction form
    65,219,999.20/97,829,998.80 = 43,720,914.40/x
  3. Step 3: Cross multiply
    65,219,999.20x = 97,829,998.80 × 43,720,914.40
  4. Step 4: Simplify right side
    65,219,999.20x = 4,277,217,003,286,902.50
  5. Step 5: Solve for x
    x = 4,277,217,003,286,902.50/65,219,999.20
  6. Step 6: Final answer
    x = 65,581,371.60

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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.