Home / 66,744,032.40-100,116,048.60-65,610,291.60

Finding the Fourth Proportional to 66,744,032.40, 100,116,048.60 and 65,610,291.60

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Solution

The fourth proportional to 66,744,032.40, 100,116,048.60 and 65,610,291.60 is: 98,415,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,744,032.40 : 100,116,048.60 = 65,610,291.60 : x
  2. Step 2: Convert to fraction form
    66,744,032.40/100,116,048.60 = 65,610,291.60/x
  3. Step 3: Cross multiply
    66,744,032.40x = 100,116,048.60 × 65,610,291.60
  4. Step 4: Simplify right side
    66,744,032.40x = 6,568,643,142,485,772
  5. Step 5: Solve for x
    x = 6,568,643,142,485,772/66,744,032.40
  6. Step 6: Final answer
    x = 98,415,437.40

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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.