Home / 109,306,968.20-163,936,832.70-47,896,008.20

Finding the Fourth Proportional to 109,306,968.20, 163,936,832.70 and 47,896,008.20

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Solution

The fourth proportional to 109,306,968.20, 163,936,832.70 and 47,896,008.20 is: 71,833,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306,968.20 : 163,936,832.70 = 47,896,008.20 : x
  2. Step 2: Convert to fraction form
    109,306,968.20/163,936,832.70 = 47,896,008.20/x
  3. Step 3: Cross multiply
    109,306,968.20x = 163,936,832.70 × 47,896,008.20
  4. Step 4: Simplify right side
    109,306,968.20x = 7,851,919,883,281,228
  5. Step 5: Solve for x
    x = 7,851,919,883,281,228/109,306,968.20
  6. Step 6: Final answer
    x = 71,833,662.69

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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.