Home / 79,370,101.12-118,994,596.02-36,209,120.32

Finding the Fourth Proportional to 79,370,101.12, 118,994,596.02 and 36,209,120.32

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Solution

The fourth proportional to 79,370,101.12, 118,994,596.02 and 36,209,120.32 is: 54,286,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370,101.12 : 118,994,596.02 = 36,209,120.32 : x
  2. Step 2: Convert to fraction form
    79,370,101.12/118,994,596.02 = 36,209,120.32/x
  3. Step 3: Cross multiply
    79,370,101.12x = 118,994,596.02 × 36,209,120.32
  4. Step 4: Simplify right side
    79,370,101.12x = 4,308,689,644,717,973
  5. Step 5: Solve for x
    x = 4,308,689,644,717,973/79,370,101.12
  6. Step 6: Final answer
    x = 54,286,054.62

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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.