Home / 65,109,568.90-97,679,905.35-19,671,808.90

Finding the Fourth Proportional to 65,109,568.90, 97,679,905.35 and 19,671,808.90

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Solution

The fourth proportional to 65,109,568.90, 97,679,905.35 and 19,671,808.90 is: 29,512,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,109,568.90 : 97,679,905.35 = 19,671,808.90 : x
  2. Step 2: Convert to fraction form
    65,109,568.90/97,679,905.35 = 19,671,808.90/x
  3. Step 3: Cross multiply
    65,109,568.90x = 97,679,905.35 × 19,671,808.90
  4. Step 4: Simplify right side
    65,109,568.90x = 1,921,540,431,415,287.25
  5. Step 5: Solve for x
    x = 1,921,540,431,415,287.25/65,109,568.90
  6. Step 6: Final answer
    x = 29,512,412.14

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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.