Home / 79,146,001.20-118,551,040.20-65,709,073.20

Finding the Fourth Proportional to 79,146,001.20, 118,551,040.20 and 65,709,073.20

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Solution

The fourth proportional to 79,146,001.20, 118,551,040.20 and 65,709,073.20 is: 98,424,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146,001.20 : 118,551,040.20 = 65,709,073.20 : x
  2. Step 2: Convert to fraction form
    79,146,001.20/118,551,040.20 = 65,709,073.20/x
  3. Step 3: Cross multiply
    79,146,001.20x = 118,551,040.20 × 65,709,073.20
  4. Step 4: Simplify right side
    79,146,001.20x = 7,789,878,978,437,943
  5. Step 5: Solve for x
    x = 7,789,878,978,437,943/79,146,001.20
  6. Step 6: Final answer
    x = 98,424,163.70

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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.