Home / 74,197,231.20-111,295,846.80-65,977,610.40

Finding the Fourth Proportional to 74,197,231.20, 111,295,846.80 and 65,977,610.40

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Solution

The fourth proportional to 74,197,231.20, 111,295,846.80 and 65,977,610.40 is: 98,966,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197,231.20 : 111,295,846.80 = 65,977,610.40 : x
  2. Step 2: Convert to fraction form
    74,197,231.20/111,295,846.80 = 65,977,610.40/x
  3. Step 3: Cross multiply
    74,197,231.20x = 111,295,846.80 × 65,977,610.40
  4. Step 4: Simplify right side
    74,197,231.20x = 7,343,034,019,308,486
  5. Step 5: Solve for x
    x = 7,343,034,019,308,486/74,197,231.20
  6. Step 6: Final answer
    x = 98,966,415.60

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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.