Home / 87,163,800.90-120,291,485.38-48,005,567.72

Finding the Fourth Proportional to 87,163,800.90, 120,291,485.38 and 48,005,567.72

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Solution

The fourth proportional to 87,163,800.90, 120,291,485.38 and 48,005,567.72 is: 66,250,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,163,800.90 : 120,291,485.38 = 48,005,567.72 : x
  2. Step 2: Convert to fraction form
    87,163,800.90/120,291,485.38 = 48,005,567.72/x
  3. Step 3: Cross multiply
    87,163,800.90x = 120,291,485.38 × 48,005,567.72
  4. Step 4: Simplify right side
    87,163,800.90x = 5,774,661,047,548,980
  5. Step 5: Solve for x
    x = 5,774,661,047,548,980/87,163,800.90
  6. Step 6: Final answer
    x = 66,250,679.62

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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.