Home / 65,353,653.60-98,019,982.80-19,904,877.60

Finding the Fourth Proportional to 65,353,653.60, 98,019,982.80 and 19,904,877.60

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Solution

The fourth proportional to 65,353,653.60, 98,019,982.80 and 19,904,877.60 is: 29,854,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,353,653.60 : 98,019,982.80 = 19,904,877.60 : x
  2. Step 2: Convert to fraction form
    65,353,653.60/98,019,982.80 = 19,904,877.60/x
  3. Step 3: Cross multiply
    65,353,653.60x = 98,019,982.80 × 19,904,877.60
  4. Step 4: Simplify right side
    65,353,653.60x = 1,951,075,759,988,105.25
  5. Step 5: Solve for x
    x = 1,951,075,759,988,105.25/65,353,653.60
  6. Step 6: Final answer
    x = 29,854,119.13

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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.