Home / 65,190,097,813.60-97,785,146,720.40-18,661,375,381.60

Finding the Fourth Proportional to 65,190,097,813.60, 97,785,146,720.40 and 18,661,375,381.60

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Solution

The fourth proportional to 65,190,097,813.60, 97,785,146,720.40 and 18,661,375,381.60 is: 27,992,063,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,097,813.60 : 97,785,146,720.40 = 18,661,375,381.60 : x
  2. Step 2: Convert to fraction form
    65,190,097,813.60/97,785,146,720.40 = 18,661,375,381.60/x
  3. Step 3: Cross multiply
    65,190,097,813.60x = 97,785,146,720.40 × 18,661,375,381.60
  4. Step 4: Simplify right side
    65,190,097,813.60x = 1,824,805,329,694,216,159,232
  5. Step 5: Solve for x
    x = 1,824,805,329,694,216,159,232/65,190,097,813.60
  6. Step 6: Final answer
    x = 27,992,063,072.40

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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.