Home / 65,163,561.60-97,720,459.20-19,710,249.60

Finding the Fourth Proportional to 65,163,561.60, 97,720,459.20 and 19,710,249.60

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Solution

The fourth proportional to 65,163,561.60, 97,720,459.20 and 19,710,249.60 is: 29,557,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,163,561.60 : 97,720,459.20 = 19,710,249.60 : x
  2. Step 2: Convert to fraction form
    65,163,561.60/97,720,459.20 = 19,710,249.60/x
  3. Step 3: Cross multiply
    65,163,561.60x = 97,720,459.20 × 19,710,249.60
  4. Step 4: Simplify right side
    65,163,561.60x = 1,926,094,641,858,616.50
  5. Step 5: Solve for x
    x = 1,926,094,641,858,616.50/65,163,561.60
  6. Step 6: Final answer
    x = 29,557,847.89

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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.