Home / 86,675,175.12-119,610,978.48-47,516,240.64

Finding the Fourth Proportional to 86,675,175.12, 119,610,978.48 and 47,516,240.64

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Solution

The fourth proportional to 86,675,175.12, 119,610,978.48 and 47,516,240.64 is: 65,571,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,675,175.12 : 119,610,978.48 = 47,516,240.64 : x
  2. Step 2: Convert to fraction form
    86,675,175.12/119,610,978.48 = 47,516,240.64/x
  3. Step 3: Cross multiply
    86,675,175.12x = 119,610,978.48 × 47,516,240.64
  4. Step 4: Simplify right side
    86,675,175.12x = 5,683,464,036,641,542
  5. Step 5: Solve for x
    x = 5,683,464,036,641,542/86,675,175.12
  6. Step 6: Final answer
    x = 65,571,993.70

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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.