Home / 74,911,027.20-112,366,540.80-69,984,153.60

Finding the Fourth Proportional to 74,911,027.20, 112,366,540.80 and 69,984,153.60

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Solution

The fourth proportional to 74,911,027.20, 112,366,540.80 and 69,984,153.60 is: 104,976,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911,027.20 : 112,366,540.80 = 69,984,153.60 : x
  2. Step 2: Convert to fraction form
    74,911,027.20/112,366,540.80 = 69,984,153.60/x
  3. Step 3: Cross multiply
    74,911,027.20x = 112,366,540.80 × 69,984,153.60
  4. Step 4: Simplify right side
    74,911,027.20x = 7,863,877,250,847,866
  5. Step 5: Solve for x
    x = 7,863,877,250,847,866/74,911,027.20
  6. Step 6: Final answer
    x = 104,976,230.40

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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.