Home / 65,235,917.60-97,828,993.20-19,782,605.60

Finding the Fourth Proportional to 65,235,917.60, 97,828,993.20 and 19,782,605.60

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Solution

The fourth proportional to 65,235,917.60, 97,828,993.20 and 19,782,605.60 is: 29,666,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,235,917.60 : 97,828,993.20 = 19,782,605.60 : x
  2. Step 2: Convert to fraction form
    65,235,917.60/97,828,993.20 = 19,782,605.60/x
  3. Step 3: Cross multiply
    65,235,917.60x = 97,828,993.20 × 19,782,605.60
  4. Step 4: Simplify right side
    65,235,917.60x = 1,935,312,388,720,682
  5. Step 5: Solve for x
    x = 1,935,312,388,720,682/65,235,917.60
  6. Step 6: Final answer
    x = 29,666,362.64

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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.