Home / 107,568,051.60-161,159,621.40-65,426,019.60

Finding the Fourth Proportional to 107,568,051.60, 161,159,621.40 and 65,426,019.60

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Solution

The fourth proportional to 107,568,051.60, 161,159,621.40 and 65,426,019.60 is: 98,021,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,568,051.60 : 161,159,621.40 = 65,426,019.60 : x
  2. Step 2: Convert to fraction form
    107,568,051.60/161,159,621.40 = 65,426,019.60/x
  3. Step 3: Cross multiply
    107,568,051.60x = 161,159,621.40 × 65,426,019.60
  4. Step 4: Simplify right side
    107,568,051.60x = 10,544,032,548,444,980
  5. Step 5: Solve for x
    x = 10,544,032,548,444,980/107,568,051.60
  6. Step 6: Final answer
    x = 98,021,972.06

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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.