Home / 69,985,039.40-104,977,559.10-65,202,070.40

Finding the Fourth Proportional to 69,985,039.40, 104,977,559.10 and 65,202,070.40

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Solution

The fourth proportional to 69,985,039.40, 104,977,559.10 and 65,202,070.40 is: 97,803,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985,039.40 : 104,977,559.10 = 65,202,070.40 : x
  2. Step 2: Convert to fraction form
    69,985,039.40/104,977,559.10 = 65,202,070.40/x
  3. Step 3: Cross multiply
    69,985,039.40x = 104,977,559.10 × 65,202,070.40
  4. Step 4: Simplify right side
    69,985,039.40x = 6,844,754,198,858,360
  5. Step 5: Solve for x
    x = 6,844,754,198,858,360/69,985,039.40
  6. Step 6: Final answer
    x = 97,803,105.60

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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.