Home / 66,893,617.20-100,340,425.80-21,460,004.40

Finding the Fourth Proportional to 66,893,617.20, 100,340,425.80 and 21,460,004.40

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Solution

The fourth proportional to 66,893,617.20, 100,340,425.80 and 21,460,004.40 is: 32,190,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893,617.20 : 100,340,425.80 = 21,460,004.40 : x
  2. Step 2: Convert to fraction form
    66,893,617.20/100,340,425.80 = 21,460,004.40/x
  3. Step 3: Cross multiply
    66,893,617.20x = 100,340,425.80 × 21,460,004.40
  4. Step 4: Simplify right side
    66,893,617.20x = 2,153,305,979,165,873.25
  5. Step 5: Solve for x
    x = 2,153,305,979,165,873.25/66,893,617.20
  6. Step 6: Final answer
    x = 32,190,006.60

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1.5x scale

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.