Home / 130,161,499.48-179,622,373.86-71,425,147.60

Finding the Fourth Proportional to 130,161,499.48, 179,622,373.86 and 71,425,147.60

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Solution

The fourth proportional to 130,161,499.48, 179,622,373.86 and 71,425,147.60 is: 98,566,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,161,499.48 : 179,622,373.86 = 71,425,147.60 : x
  2. Step 2: Convert to fraction form
    130,161,499.48/179,622,373.86 = 71,425,147.60/x
  3. Step 3: Cross multiply
    130,161,499.48x = 179,622,373.86 × 71,425,147.60
  4. Step 4: Simplify right side
    130,161,499.48x = 12,829,554,565,212,882
  5. Step 5: Solve for x
    x = 12,829,554,565,212,882/130,161,499.48
  6. Step 6: Final answer
    x = 98,566,431.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.