Home / 65,963,022.64-98,945,295.72-19,905,290.71

Finding the Fourth Proportional to 65,963,022.64, 98,945,295.72 and 19,905,290.71

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Solution

The fourth proportional to 65,963,022.64, 98,945,295.72 and 19,905,290.71 is: 29,858,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,963,022.64 : 98,945,295.72 = 19,905,290.71 : x
  2. Step 2: Convert to fraction form
    65,963,022.64/98,945,295.72 = 19,905,290.71/x
  3. Step 3: Cross multiply
    65,963,022.64x = 98,945,295.72 × 19,905,290.71
  4. Step 4: Simplify right side
    65,963,022.64x = 1,969,534,875,693,518.75
  5. Step 5: Solve for x
    x = 1,969,534,875,693,518.75/65,963,022.64
  6. Step 6: Final answer
    x = 29,858,165.94

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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.