Home / 38,221,968.40-53,661,921.20-38,221,968.40

Finding the Fourth Proportional to 38,221,968.40, 53,661,921.20 and 38,221,968.40

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Solution

The fourth proportional to 38,221,968.40, 53,661,921.20 and 38,221,968.40 is: 53,661,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221,968.40 : 53,661,921.20 = 38,221,968.40 : x
  2. Step 2: Convert to fraction form
    38,221,968.40/53,661,921.20 = 38,221,968.40/x
  3. Step 3: Cross multiply
    38,221,968.40x = 53,661,921.20 × 38,221,968.40
  4. Step 4: Simplify right side
    38,221,968.40x = 2,051,064,256,389,690
  5. Step 5: Solve for x
    x = 2,051,064,256,389,690/38,221,968.40
  6. Step 6: Final answer
    x = 53,661,921.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.